Farbe freihändige Videoinnentelefon-Kit "N & qu

With the function of video talk-back, unlocking by remote control, monitoring Door-stationIn case of emergency, calling management center at any time3.5/4/5/5.6-inch color Liquid Crystal Display, , Easy viewingHands-free calls, safe, easy communication.Video Room-station has unique shape, elegant and graceful.With information search functionReceive Guard center information, information releasing are optional.The size of the appearance:205mm(W) x 128mm(H) x 27mm(D)Work voltageDC17V 20VPower consumedstatic state :< 20mA work :< 600mA Working humidity45%-95%Work temperature range0°c +45°cHorizontal resolutionCCIR 350 lineScan frequencyCCIR H: 15,625±400HZ V: 47±3HZDisplayColor TFT: 3.5/4/5/5.6inchMaterial of frameABS