e
Pret
z
.ro
comparator prețuri
Caută
⚡ Extensie Chrome
Alerte
Favorite
Cont
Caută
Oferte Hot
Categorii
Prețuri în scădere
Top produse
HOT
Lansări recente
Ghid cumpărare
NOU
Alertă preț
Prețuri live din 5+ magazine
Acasă
Categorii
Electronice
Securitate & Camere
Securitate & Camere
4.956 produse disponibile
Filtre & Sortare
Securitate & Camere
4.956 produse disponibile
hikvision
OFERTA
Sistem supraveghere exterior cu HDD 1 TB HikVision, 2 camere, 2 MP, IR 30 m, 2.8 mm, microfon
1 TB HDD
30 m
Da
2 MP
971 RON
Spy Shop
obsbot
OFERTA
OBSBOT Tiny 3 Camera PTZ AI 4K
4K
1.699 RON
F64
hikvision
OFERTA
HIKVISION Camera supraveghere IP Hikvision DS-2CD2387G2H-LIU(2.8)(EF), 8MP, Smart Hybrid Light, Audio, PoE, IP67, Alb-Negru
Da
8MP
IP67
8 MP
2.026 RON
Dwyn
tplink
OFERTA
Camera de supraveghere wifi pentru interior Pan/Tilt, TAPO C210, microfon si difuzor
wifi
Da
166 RON
VonMag
uniview
OFERTA
Camera IP Uniview IPC3635SB-ADZK-I0, 5MP, lentila 2.7-13.5 AF, IR 40m, Autofocus, LightHunter, VCA, Microfon, PoE, IK10, slot card 256GB
Da
40 m
5MP
Da
5 MP
759 RON
VonMag
dahua
OFERTA
Camera supraveghere exterior IP Dahua IPC-HFW5241T-ASE-0280B, 2 MP, IR 80 m, 2.8 mm, PoE
Da
80 m
Da
2 MP
1.329 RON
Spy Shop
axis
OFERTA
AXIS Camera de supraveghere, Axis, P5676-LE, 50 Hz, alba
14.891 RON
Dwyn
hikvision
OFERTA
Camera supraveghere IP Dome Hikvision DS-2CD1753G0-IZ-C, 5 MP, IR 30 m, 2.8 - 12 mm, motorizat, slot card, PoE
Da
30 m
Da
5 MP
815 RON
Spy Shop
hikvision
OFERTA
HIKVISION Carcasa modul acces HIKVISION DS-K2M002X-E, pana la 2 module de acces, sursa 100 W
1.273 RON
Dwyn
hikvision
OFERTA
HIKVISION DVR HikVision AcuSense IDS-7208HUHI-M1/X/4A+8/4, 8 canale, 8 MP, 256 Mbps
M1
8 MP
1.812 RON
Dwyn
imou
OFERTA
Camera supraveghere rotativa IP Speed Dome PTZ Imou Cruiser SC Full Color IPC-K7FP-5H0WE, 5 MP, 3.6 mm, WiFi 6, IR/lumina alba 30 m, microfon si difuzor, alarma, avertizare luminoasa, slot card
WiFi 6
Da
5 MP
Da
266 RON
Spy Shop
hikvisionhilook
OFERTA
Camera IP bullet Hikvision HiLook IPC-B640HA-LZU 4 MP, lentila motorizata 2.8-12mm, slot card, microfon, IP67, dual light 50m, POE, Human and Vehicle
IP67
4 MP
581 RON
VonMag
axis
OFERTA
AXIS Camera de supraveghere, Axis, M1137-E MK II, Cititor carduri, Gri
Gri
5.002 RON
Dwyn
hikvision
OFERTA
HIKVISION Camera de supraveghere IP Bullet, HIKVISION DS-2CD1T47G3H-LIUF/SL, lentila fixa 2.8 MM, 4 MP, IR 50 M, alarma, slot card, PoE
Da
50 m
Da
4 MP
1.174 RON
Dwyn
hikvisionhilook
OFERTA
Pachet camere supraveghere IP Dome Hybrid Light Hikvision Hilook IPC-T240HAP-LUF/SL(2.8MM), 4 MP, 2.8 mm, IR/Lumina alba 30 m, microfon si difuzor, slot card, PoE, pret redus 50% la al doilea produs
Da
Da
4 MP
Da
430 RON
Spy Shop
hikvisionhilook
OFERTA
DVR 4 canale HD Hikvision HiLook DVR-204U-M1(STD)(E), 8MP, H.265 Pro+, Deep Learning, Audio over coax
M1
8MP
8 MP
472 RON
VonMag
hikvision
OFERTA
HIKVISION Centrala control access Hikvision DS-K2602T, pentru 2 usi bidirectionale, 4 x cititoare Wiegand sau 4 cititoare RS-485, conexiune TCP/IP
2.179 RON
Dwyn
tplink
OFERTA
Camera supraveghere interior wireless rotativa PT TP-Link Tapo C220, 4 MP, 4 mm, IR 9 m, slot card, microfon
9 m
Da
4 MP
143 RON
Spy Shop
hikvisionhilook
OFERTA
Sistem supraveghere exterior cu HDD 1 TB HikVision HiLook, 4 camere, 2 MP, 2.8 mm, IR/lumina alba 40 m, microfon
1 TB HDD
Da
2 MP
1.174 RON
Spy Shop
dahua
OFERTA
Dahua Sistem NVR Dahua Technology NVR2104-4KS3, 4 canale 1U, pana la 12MP, latime de banda 80Mbps, SMD, Protectie perimetru, 1 slot SATA
12 MP
435 RON
Dwyn
hikvision
OFERTA
Camera bullet IP cu termoviziune Hikvision DS-2TD1217B-3/PA(B) pentru masurarea temperaturii corpului, PoE
Da
12.949 RON
VonMag
evolveo
OFERTA
Evolveo Senzor de miscare PIR fara fir, Evolveo, ACSALMPIR, Alb
Alb
189 RON
Dwyn
axis
OFERTA
AXIS Camera supraveghere, AXIS, Alb
Alb
6.484 RON
Dwyn
milesightnbsptechnology
OFERTA
MILESIGHT TECHNOLOGY NVR MILESIGHT TECHNOLOGY MS-N1008-UPC, 8 canale
793 RON
Dwyn
hikvision
OFERTA
HIKVISION Camera de supraveghere pentru interior-exterior Hikvision MINI BULLET Smart Hybrid Light, Rezolutie 2MP, Tip camera fixa 2.8mm, Microfon, Distanta IR 25m, Distanta lumina alba 20m, IP67
25 m
2MP
Da
IP67
2 MP
186 RON
Dwyn
uniview
OFERTA
NVR 32 canale seria Easy Uniview NVR304-32E2-P16, 4K, 32 canale 12MP + 16 porturi Long PoE, compresie H.265 Ultra
Da
4K
12 MP
1.529 RON
VonMag
tplink
OFERTA
Camera de supraveghere exterior TP-Link Full Color VIGI C330(2.8mm), 3 MP, 2.8 mm, IR/Lumina alba 30 m, microfon
Da
3 MP
208 RON
Spy Shop
ubiquiti
OFERTA
UBIQUITI Camera de supraveghere IP Ubiquiti UVC-G5-PTZ, alb, rezolutie maxima 2688x1512px, montare pe perete/pole
alb
1.436 RON
Dwyn
hikvision
OFERTA
HIKVISION Camera supraveghere IP 8MP 4K lentila 2.8-12mm, IR 40m, lumina alba 40m, ColorVu, PoE, Hikvision DS-2CD2787G2HT-LIZS(2.8-12mm)(eF) (Alb)
Da
VF 2.8-12 mm
40 m
4K
Da
8 MP
1.238 RON
Dwyn
hikvision
OFERTA
HIKVISION Camera supraveghere IP Turret Hikvision DS-2CD1367G2H-LIUF/SL(2.8MM), 6 MP, Lentila 2.8 mm, IR 30 m
2.8 mm
30 m
Da
6 MP
623 RON
Dwyn
hikvision
OFERTA
HIKVISION Monitor videointerfon Hikvision DS-KH7300EY-WTE2, 2 fire, 7-inch touch screen
1.001 RON
Dwyn
hikvision
OFERTA
HIKVISION Hikvision Junction box DS-1280ZJ-DM18
92 RON
Dwyn
finder
OFERTA
Senzor de miscare 360 grade, incastrat, tip spot, 230VAC, alb, 1000W, IP40 Finder 18.31.8.230.0031
alb
IP40
152 RON
VonMag
axis
OFERTA
AXIS Camera de supraveghere AXIS 02416-001, Ethernet LAN PoE, RJ45
Da
7.766 RON
Dwyn
hikvision
OFERTA
HIKVISION Camera de supraveghere interior-exterior Hikvision IP mini dome, Distanta IR 30 m, Tip lentila fixa 4 mm, Rezolutie 4 Mpx, Microfon, PoE, Slot card SD, DS-2CD2543G2-IWS4
Da
30 m
Da
Da
1.311 RON
Dwyn
hikvision
OFERTA
HIKVISION Camera de supraveghere pentru exterior HIKVISION, IP BULLET, Rezolutie 8MP, Lentila fixa 4mm, Distanta IR 40m, DS-2CD2087G2H-LIU/SL(4MM)(EF)
40 m
8MP
Da
8 MP
1.603 RON
Dwyn
hikvisionhilook
OFERTA
Camera Supraveghere cu Panou Solar, slot SIM 4G, Hikvision HiLook IPC-CFS04/4G-SIM, 4MP, baterie 9000 mAh, iluminare 30m, IP66
9000 mAh
4MP
4G LTE
IP66
4 MP
331 RON
VonMag
hikvision
OFERTA
HIKVISION Camera supraveghere Hikvision WIFI IP bullet DS-2CV2041G2-IDW(2.8MM)(E); 4 MP, WIFI
WIFI
4 MP
550 RON
Dwyn
tplink
OFERTA
TP-LINK Camera de supraveghere pentru extrior cu acumulatori TP-LINK IP, IP66, Distanta IR 15 m, Tip lentila fixa 3.15 mm, Rezolutie 3 Mpx, RJ-45 + wireless, Microfon, KIT 2 bucati, Tapo C410(2-pack)
15 m
Da
IP66
618 RON
Dwyn
hikvision
OFERTA
Sistem supraveghere IP exterior basic HikVision KIT-HIK-B8EXT4MP-30M-A-POE, 8 camere, 4 MP, 2.8 mm, IR 30 m, PoE
Da
30 m
Da
4 MP
4.115 RON
Spy Shop
hikvision
OFERTA
HIKVISION Monitor pentru videointerfon IP Hikvision DS-KH6320-LE1(B), ecran LCD, 7 inch, touch screen, PoE
Da
700 RON
Dwyn
hikvision
OFERTA
HIKVISION NVR Hikvision DS-7716NXI-K4, 4K, 16 canale, 12 MP, Alarma 16IN/4OUT AcuSense, Negru
Negru
4K
12 MP
3.171 RON
Dwyn
ezviz
OFERTA
EZVIZ Camera supraveghere IP Ezviz CS-H6C-R100-8B4WF, WiFi, 4MP, IR 10m, lentila 4mm, card microfon
4 mm
10 m
4MP
WiFi
Da
4 MP
238 RON
Dwyn
dahua
OFERTA
NVR 32 canale Dahua NVR4232-4KS3, 12MP, detectie si recunoastere faciala, perimetru, numarare persoane, SMD Plus, 2x HDD, fara PoE
Da
12 MP
486 RON
VonMag
hikvision
OFERTA
HIKVISION Doza conexiuni Hikvision DS-1280ZJ-DM18, 141.7 mm × 37 mm × Ø 111 mm, Negru
Negru
92 RON
Dwyn
zkteco
OFERTA
Centrala control acces IP ZKTeco GL-INBIO-PRO460, Wiegand, 60.000 utilizatori, 12 intrari, 100.000 evenimente, 4 usi
1.772 RON
Spy Shop
hikvision
OFERTA
HIKVISION Centrala control acces Hikvision DS-K2624X, pentru 4 usi bidirectionale (8 citittoare), compatibil 4x Wiegand, 8x RS485
4.929 RON
Dwyn
hikvision
OFERTA
Camera supraveghere IP exterior LPR Hikvision DeepinView iDS-2CD7A26G0/P-IZHSC, 2 MP, IR 50 m, 2.8 - 12 mm, slot card, PoE
Da
50 m
Da
2 MP
8.042 RON
Spy Shop
reolink
OFERTA
Kit camere supraveghere wireless WiFi cu panou solar si hub Reolink Full Color Argus Eco Ultra HUBXB360, 4K, Lumina alba / IR 10m, microfon si difuzor, slot card, vizualizare de pe telefon, HUB inclus
10 m
4K
WiFi
Da
Da
1.890 RON
Spy Shop
hikvision
OFERTA
Sistem supraveghere exterior basic HikVision, 4 camere, 2 MP, IR 30 m, 2.8 mm, microfon
30 m
Da
2 MP
727 RON
Spy Shop
hikvision
OFERTA
Camera supraveghere IP exterior motorizata Hikvision Darkfighter AcuSense DS-2CD2646G2HT-IZS(2.8-12)(EF), 4 MP, 2.8-12 mm, IR 60 m, slot card, PoE
Da
60 m
Da
4 MP
1.551 RON
Spy Shop
OFERTĂ
hikvision
Sistem supraveghere exterior cu HDD 1 TB HikVision, 2 camere, 2 MP, IR 30 m, 2.8 mm, microfon
971 RON
Spy Shop
OFERTĂ
obsbot
OBSBOT Tiny 3 Camera PTZ AI 4K
1.699 RON
F64
OFERTĂ
hikvision
HIKVISION Camera supraveghere IP Hikvision DS-2CD2387G2H-LIU(2.8)(EF), 8MP, Smart Hybrid Light, Audio, PoE, IP67, Alb-Negru
IP67
2.026 RON
Dwyn
OFERTĂ
tplink
Camera de supraveghere wifi pentru interior Pan/Tilt, TAPO C210, microfon si difuzor
166 RON
VonMag
OFERTĂ
uniview
Camera IP Uniview IPC3635SB-ADZK-I0, 5MP, lentila 2.7-13.5 AF, IR 40m, Autofocus, LightHunter, VCA, Microfon, PoE, IK10, slot card 256GB
759 RON
VonMag
OFERTĂ
dahua
Camera supraveghere exterior IP Dahua IPC-HFW5241T-ASE-0280B, 2 MP, IR 80 m, 2.8 mm, PoE
1.329 RON
Spy Shop
OFERTĂ
axis
AXIS Camera de supraveghere, Axis, P5676-LE, 50 Hz, alba
14.891 RON
Dwyn
OFERTĂ
hikvision
Camera supraveghere IP Dome Hikvision DS-2CD1753G0-IZ-C, 5 MP, IR 30 m, 2.8 - 12 mm, motorizat, slot card, PoE
815 RON
Spy Shop
OFERTĂ
hikvision
HIKVISION Carcasa modul acces HIKVISION DS-K2M002X-E, pana la 2 module de acces, sursa 100 W
1.273 RON
Dwyn
OFERTĂ
hikvision
HIKVISION DVR HikVision AcuSense IDS-7208HUHI-M1/X/4A+8/4, 8 canale, 8 MP, 256 Mbps
1.812 RON
Dwyn
OFERTĂ
imou
Camera supraveghere rotativa IP Speed Dome PTZ Imou Cruiser SC Full Color IPC-K7FP-5H0WE, 5 MP, 3.6 mm, WiFi 6, IR/lumina alba 30 m, microfon si difuzor, alarma, avertizare luminoasa, slot card
266 RON
Spy Shop
OFERTĂ
hikvisionhilook
Camera IP bullet Hikvision HiLook IPC-B640HA-LZU 4 MP, lentila motorizata 2.8-12mm, slot card, microfon, IP67, dual light 50m, POE, Human and Vehicle
IP67
581 RON
VonMag
OFERTĂ
axis
AXIS Camera de supraveghere, Axis, M1137-E MK II, Cititor carduri, Gri
5.002 RON
Dwyn
OFERTĂ
hikvision
HIKVISION Camera de supraveghere IP Bullet, HIKVISION DS-2CD1T47G3H-LIUF/SL, lentila fixa 2.8 MM, 4 MP, IR 50 M, alarma, slot card, PoE
1.174 RON
Dwyn
OFERTĂ
hikvisionhilook
Pachet camere supraveghere IP Dome Hybrid Light Hikvision Hilook IPC-T240HAP-LUF/SL(2.8MM), 4 MP, 2.8 mm, IR/Lumina alba 30 m, microfon si difuzor, slot card, PoE, pret redus 50% la al doilea produs
430 RON
Spy Shop
OFERTĂ
hikvisionhilook
DVR 4 canale HD Hikvision HiLook DVR-204U-M1(STD)(E), 8MP, H.265 Pro+, Deep Learning, Audio over coax
472 RON
VonMag
OFERTĂ
hikvision
HIKVISION Centrala control access Hikvision DS-K2602T, pentru 2 usi bidirectionale, 4 x cititoare Wiegand sau 4 cititoare RS-485, conexiune TCP/IP
2.179 RON
Dwyn
OFERTĂ
tplink
Camera supraveghere interior wireless rotativa PT TP-Link Tapo C220, 4 MP, 4 mm, IR 9 m, slot card, microfon
143 RON
Spy Shop
OFERTĂ
hikvisionhilook
Sistem supraveghere exterior cu HDD 1 TB HikVision HiLook, 4 camere, 2 MP, 2.8 mm, IR/lumina alba 40 m, microfon
1.174 RON
Spy Shop
OFERTĂ
dahua
Dahua Sistem NVR Dahua Technology NVR2104-4KS3, 4 canale 1U, pana la 12MP, latime de banda 80Mbps, SMD, Protectie perimetru, 1 slot SATA
435 RON
Dwyn
OFERTĂ
hikvision
Camera bullet IP cu termoviziune Hikvision DS-2TD1217B-3/PA(B) pentru masurarea temperaturii corpului, PoE
12.949 RON
VonMag
OFERTĂ
evolveo
Evolveo Senzor de miscare PIR fara fir, Evolveo, ACSALMPIR, Alb
189 RON
Dwyn
OFERTĂ
axis
AXIS Camera supraveghere, AXIS, Alb
6.484 RON
Dwyn
OFERTĂ
milesightnbsptechnology
MILESIGHT TECHNOLOGY NVR MILESIGHT TECHNOLOGY MS-N1008-UPC, 8 canale
793 RON
Dwyn
OFERTĂ
hikvision
HIKVISION Camera de supraveghere pentru interior-exterior Hikvision MINI BULLET Smart Hybrid Light, Rezolutie 2MP, Tip camera fixa 2.8mm, Microfon, Distanta IR 25m, Distanta lumina alba 20m, IP67
IP67
186 RON
Dwyn
OFERTĂ
uniview
NVR 32 canale seria Easy Uniview NVR304-32E2-P16, 4K, 32 canale 12MP + 16 porturi Long PoE, compresie H.265 Ultra
1.529 RON
VonMag
OFERTĂ
tplink
Camera de supraveghere exterior TP-Link Full Color VIGI C330(2.8mm), 3 MP, 2.8 mm, IR/Lumina alba 30 m, microfon
208 RON
Spy Shop
OFERTĂ
ubiquiti
UBIQUITI Camera de supraveghere IP Ubiquiti UVC-G5-PTZ, alb, rezolutie maxima 2688x1512px, montare pe perete/pole
1.436 RON
Dwyn
OFERTĂ
hikvision
HIKVISION Camera supraveghere IP 8MP 4K lentila 2.8-12mm, IR 40m, lumina alba 40m, ColorVu, PoE, Hikvision DS-2CD2787G2HT-LIZS(2.8-12mm)(eF) (Alb)
1.238 RON
Dwyn
OFERTĂ
hikvision
HIKVISION Camera supraveghere IP Turret Hikvision DS-2CD1367G2H-LIUF/SL(2.8MM), 6 MP, Lentila 2.8 mm, IR 30 m
623 RON
Dwyn
OFERTĂ
hikvision
HIKVISION Monitor videointerfon Hikvision DS-KH7300EY-WTE2, 2 fire, 7-inch touch screen
1.001 RON
Dwyn
OFERTĂ
hikvision
HIKVISION Hikvision Junction box DS-1280ZJ-DM18
92 RON
Dwyn
OFERTĂ
finder
Senzor de miscare 360 grade, incastrat, tip spot, 230VAC, alb, 1000W, IP40 Finder 18.31.8.230.0031
152 RON
VonMag
OFERTĂ
axis
AXIS Camera de supraveghere AXIS 02416-001, Ethernet LAN PoE, RJ45
7.766 RON
Dwyn
OFERTĂ
hikvision
HIKVISION Camera de supraveghere interior-exterior Hikvision IP mini dome, Distanta IR 30 m, Tip lentila fixa 4 mm, Rezolutie 4 Mpx, Microfon, PoE, Slot card SD, DS-2CD2543G2-IWS4
1.311 RON
Dwyn
OFERTĂ
hikvision
HIKVISION Camera de supraveghere pentru exterior HIKVISION, IP BULLET, Rezolutie 8MP, Lentila fixa 4mm, Distanta IR 40m, DS-2CD2087G2H-LIU/SL(4MM)(EF)
1.603 RON
Dwyn
OFERTĂ
hikvisionhilook
Camera Supraveghere cu Panou Solar, slot SIM 4G, Hikvision HiLook IPC-CFS04/4G-SIM, 4MP, baterie 9000 mAh, iluminare 30m, IP66
331 RON
VonMag
OFERTĂ
hikvision
HIKVISION Camera supraveghere Hikvision WIFI IP bullet DS-2CV2041G2-IDW(2.8MM)(E); 4 MP, WIFI
550 RON
Dwyn
OFERTĂ
tplink
TP-LINK Camera de supraveghere pentru extrior cu acumulatori TP-LINK IP, IP66, Distanta IR 15 m, Tip lentila fixa 3.15 mm, Rezolutie 3 Mpx, RJ-45 + wireless, Microfon, KIT 2 bucati, Tapo C410(2-pack)
618 RON
Dwyn
OFERTĂ
hikvision
Sistem supraveghere IP exterior basic HikVision KIT-HIK-B8EXT4MP-30M-A-POE, 8 camere, 4 MP, 2.8 mm, IR 30 m, PoE
4.115 RON
Spy Shop
OFERTĂ
hikvision
HIKVISION Monitor pentru videointerfon IP Hikvision DS-KH6320-LE1(B), ecran LCD, 7 inch, touch screen, PoE
700 RON
Dwyn
OFERTĂ
hikvision
HIKVISION NVR Hikvision DS-7716NXI-K4, 4K, 16 canale, 12 MP, Alarma 16IN/4OUT AcuSense, Negru
3.171 RON
Dwyn
OFERTĂ
ezviz
EZVIZ Camera supraveghere IP Ezviz CS-H6C-R100-8B4WF, WiFi, 4MP, IR 10m, lentila 4mm, card microfon
238 RON
Dwyn
OFERTĂ
dahua
NVR 32 canale Dahua NVR4232-4KS3, 12MP, detectie si recunoastere faciala, perimetru, numarare persoane, SMD Plus, 2x HDD, fara PoE
486 RON
VonMag
OFERTĂ
hikvision
HIKVISION Doza conexiuni Hikvision DS-1280ZJ-DM18, 141.7 mm × 37 mm × Ø 111 mm, Negru
92 RON
Dwyn
OFERTĂ
zkteco
Centrala control acces IP ZKTeco GL-INBIO-PRO460, Wiegand, 60.000 utilizatori, 12 intrari, 100.000 evenimente, 4 usi
1.772 RON
Spy Shop
OFERTĂ
hikvision
HIKVISION Centrala control acces Hikvision DS-K2624X, pentru 4 usi bidirectionale (8 citittoare), compatibil 4x Wiegand, 8x RS485
4.929 RON
Dwyn
OFERTĂ
hikvision
Camera supraveghere IP exterior LPR Hikvision DeepinView iDS-2CD7A26G0/P-IZHSC, 2 MP, IR 50 m, 2.8 - 12 mm, slot card, PoE
8.042 RON
Spy Shop
OFERTĂ
reolink
Kit camere supraveghere wireless WiFi cu panou solar si hub Reolink Full Color Argus Eco Ultra HUBXB360, 4K, Lumina alba / IR 10m, microfon si difuzor, slot card, vizualizare de pe telefon, HUB inclus
1.890 RON
Spy Shop
OFERTĂ
hikvision
Sistem supraveghere exterior basic HikVision, 4 camere, 2 MP, IR 30 m, 2.8 mm, microfon
727 RON
Spy Shop
OFERTĂ
hikvision
Camera supraveghere IP exterior motorizata Hikvision Darkfighter AcuSense DS-2CD2646G2HT-IZS(2.8-12)(EF), 4 MP, 2.8-12 mm, IR 60 m, slot card, PoE
1.551 RON
Spy Shop
14
15
16
17
18