Features: ?DSP signal to make sure the clear picture. ?High precision: 0.0003Lux/F1.2 ?Back light compensate Model LH-2300HP LH-2310HP Scan system 1/3＂Sony CCD 1/3＂Sony CCD Picture size 512(H)*582(V) 752(H)*582(V) Horizon precision 450 Line 600 Line Lowest ? 0.0001Lux/F1.2 0.0002Lux/F1.2 video output 1.0v(p-p)75ΩBNC 1.0v(p-p)75ΩBNC S/N rate More than 52dB More than 52dB Back light compensate ON/OFF ON/OFF Iris output DC/Video DC/Video Lens installation C/CS C/CS Electronics snap? 1/50~1/100000S ON/OFF 1/50~1/100000S ON/OFF power AC/24V/DC12V,AC220V AC/24V/DC12V,AC 220V dimension 65(W)*50(H)*115(D)mm 65(W)*50(H)*115(D)mm weight About 400g About 400g