TTB-W823K1 Features: 1/4" CMOS DIS Color WDR, Smart IR 900TVL, Low Illumination 0.01Lux, Weatherproof Metal housing Lens 3.6/6 mm; 24pcs ф5 LED for 20 meters Specification: Model TTB-W823K1 CCD TYPE 1/4" CMOS DIS Color WDR, Smart IR Scanning System PAL/NTSC Resolution 90 0TVL Pixels PAL:976(H)*582(V), NTCS: 976(H)*494(V) Min. Illumination 0 LUX/ IR ON IR Distance 20 Meters @ 24 pcs ф 5 LED S/N Ratio ≥ 52dB Video Output 1.0Vp-p/75Ω AGC Auto www.ttbvision.com