Product DescriptionModel: VVS-925IR 1. Signal System: PAL/NTSC 2. Image Sensor: 1/4"SONY CCD 3. NO. Of Effective Pixels: PAL: 500 (H)X582(V); NTSC: 752(H)X492(V) 4. Horizontal Resolution: 420 TV Line 5. Minimum Illumination: 0.5Lux/F1.2(LED OFF); 0Lux ( LED ON)