Image sensor:1/4 CMOS Effective pixels: NTSC/PAL:648 x 488 pixels Protection category: IP67 Resolution: 420TVL S/N ratio: ≥48dB Minimum illumination: 0.2lux/F1.2 Video output: RCA, 1.0Vp-p, 75 Ohms Nominal power supply: 12V DC Lens angle: 170-degree Working temperature: -20 65 degree, RH95%MAX Others: Auto white balance, AGC, etc.