Model No.:TOP-321IRM Features: 1.)OV-7950 CMD,high effect 2.)View angle:120°/ 90°optional 3.)waterproof resistance:IP67~68 4.)with reversing reference line 5.)with 6 IR LED Specifitions: 1.)Sensor: OV-7950 CMD 2.)Horizontal resolution:420TV lines 3.)Number of Pixels: NTSC:512(H)*492(V) 4.)Wide View Angle: 120°/ 90°Optional 5.)Len: 3.6mm / 2.8mm optional 6.)Reversing reference line: optional 7.)Waterproof Resistance:IP67~68 8.)Auto Gain Control:Auto 9.)Usable Illumination:0Lux(F:1.2) 10.)Video Output: 1.0Vp-p 75Ω,Negative 11.)Electronic Shutter Time: Auto:NTSC 1/60-1/100,000Sec,PAL 1/50-1/100,000Sec 12.)Operation Temperature: -10℃- +50℃ RH 95% Max 13.)Storage Temperature: -20℃- +60℃ RH 95% Max 14.)Gamma Characteristic:0.45 15.)White Balance:Auto 16.)Scanning System:NTSC 525 Lines,60Field/Sec,PAL 625 Lines 50Field/Sec 17.)Sync System:Internal Synchronization 18.)Power Supply:DC12V±10%,40mA Accessories: 5m RCA Video cable,DC power cable,user cable