http://www.ttbvs.com/en/product_detail-840046-1296401-113818.html

1. TTB-W823Z1
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-W823Z1
CCD TYPE 1/4" CMOS DIS Color WDR, Smart IR
Scanning System PAL/NTSC
Resolution 900TVL
Pixels PAL:976(H)*582(V), NTCS: 976(H)*494(V)
Min. Illumination 0 LUX/ IR ON
IR Distance 20 Meters @ 24pcs ф5LED
S/N Ratio ≥52dB
Video Output 1.0Vp-p/75Ω
AGC Auto
White Balance Auto
BLC Auto
Exposure Mode EE
Shutter PAL1/50-- 1/100000sec NTSC 1/60--1/100000sec
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2. Gamma 0.45
Sync. System Internal Synchronization
Lens 3.6/6 mm
Power Supply DC12V±5%
Operation Temperature -10℃-60℃
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