(security, door access, intercom system)home secur

(video intercom system,home security product,doorphone,door access) home security product VIdeo door phone of two cameras connecting to one/two monitors. Camera and monitor can be changed for other models Specifications: 1) Dimensions (W x H x D): 230 x 165 x 40mm 2) Four-wire system 3) Power supply: 13.5 V DC / AC 110V 240V 4) Material of outdoor unit: aluminum alloy casting 5) Handsfree monitorhomw security product 6) With powersupply built-in door phone Features: 1) 7" TFT LCD display in high resolution;no radiation home security product 2) Low power consumption. 3) Intercommunication 4) Electric-controlled unlocking 5) Monitor outdoor. 6) LED lumination compensation 7) 16 chord melodies for ring 8) Water-proof, damage-proof & explosion-proof outdoor unit 9) Unique anti-theft design 10). Brightness, volume and chroma are adjustable. 11). One camera can be connected to up to four monitors, to satisfy you to know the visitor from the living room, bedroom and kitchen etc. 12). It can also support two outdoor cameras to make the visitor can call you from front door or back door. 13).Installation method: Surface Mounting 14).Power consution: Standby:05W; Operation:13W