intercom system

7 inch intercom system: TypeIntercom System ModelTK-703C+TK-816C Hardware FrameSurface Aluminum alloy Display Screen 7 inch TFT LCD Power Supply AC 110-240V or DC 13.5V Cable System Four wire: RVV 4X0.5 Input Signal Standard video signal VS.07-1.4VP-P System Format PAL or NTSC MAX wiring distance 50M/165 feet Others Power plug can match to each country Detail functionsnApplies to the villa or single room Supports door bell, intercom, video ,monitoring and unlocking , warming One outdoor camera can supports to 4 indoor monitors and inter-call Outdoor camera with 3 infrared lights or LED lights Indoor monitor support 16 chord ringing selectable Hand-free intercom Brightness, volume and chromo are adjustable It can use at hospital, home, hotel, bank and office, super market and other public place. InstallationSurface mounted or set into the wall Package1 sets in one color box and 8 pcs color box in one carton FittingsOne fix board, one instruction manual, screws, one pcs 10 meter cable, Delivery25-30 days after receiving payment, Sample product 3-5 days. PaymentT/TWESTERN UNIONPAYPALVideo intercom specification: Model:TK-816C outdoor station of video intercom system. Material: Alloy Camera:CMOS/CCD Power source: DC 12V (from indoor monitor) Lens:F=3.6mm, 1/4 color Min LUX:1.5 LUX Light Source:3 IR LED Power consumption:1W Operating Temperature:-25 to 70 degree Installation:Wall-mount or set into the wall Wiring:4 wires Dimention:150X50X38 mm Weight(kg):1 KG Model: TK-703C indoor monitor of intercom system Color: Silver or Black Power:AC 110-240V or DC 13.5V Screen Display:7 color TFT LCD Resolution:1440X234 L Chorma:16 ringing for choose Power Consumption:Standby<0.12w; Working<5w;Unlock<12W Installation:Wall-mount Wiring: 4 wires Dimension:230X165X15 mm