VIDEO INTERCOM SET 7 BUTTON

Power Source Transformer( AC 110V~ 220V temperature -40~+ 50oC Camera 1/3 Inch CCD MONOCHROME Lens 3.6 Min Illumination 0.1 Lux Monitor handset Max_Wiring Distance RVV4 Copper Core Coaxial for 50m, RVV2 Coaxial and 75-5 video wire for up to 200m Dimension 166(w) X 108(h) X 38(d) mm Weight 3.75kgs Tv System PAL OR NTSC Ring Bell Chime Sound ( Double Ding-Dong Bell) Wiring 4 wire in polarity. ( include Monitor and GND ) Call Function Call between monitors is available Extension Up to 7 monitors with 1 camera is possible Door Release function Signal Unlocking LED You can enjoy a constantly clear & bright picture on the screen at any light level from 0.1 Lux (at night or dark Place)by the built-in LED Specification 1. talk-back, monitor voluntary supervising, intercom conversation functions. 2. Ring selection: dingdong or chord melody rings are optional. 3. unlock: signal unlock. 4. Capability of system: one apartment can install one door station, 7 indoor phones at most. 5. door station: four designs are optional. 6. with 32 B/W pictures memory THIS PACKAGE INCLUDES THE VIDEO INTERCOM, 7 B/W PHONESETS,POWER CONVERTER,VIDEO SWITCH BUT DOES NOT INCLUDE THE ELECTRONIC LOCK