... temperature0°C~50°C–30°C~60°CWorking humidity0%~90% (no-condensing)HeaterNoSupport 6°C ON 14°C OFFPower24VAC 1.5A ... Color:560 TVL B/W:680 TVLSCM-237137X ,D/N,1/4 inch, Double density interline treneter CCD37X, ... 560 TVL: Color / 680 TVL B/WSCM-337137X ,D/N,WDR1/4 inch, Double density interline treneter CCD37X ... .35 to F3.7 550 TVLFCB Ex-995EP28X,D/N,WDR ,ST1/4-type EXview HAD CCD ...