4-Wire HD Touch Button Indoor Monitor
7" color digital LCD, support HD display
· Hands free intercom, Clear Sound, Good Intercom Effect
· Friendly user interface with comfortable touch buttons
· 8 Chord tones can be switched freely,Clear and elegant

Main Functions
· Hands free high definition intercom
· Lock control, Signal Lock
· Brightness, Contrast, Color and volume are adjustable
· Real-time monitoring of door station or CCTV camera
· “Don’t disturb” function
· Intercom function and Broadcasting
· Set user’s mp3 file as ring tone and own picture to use as wallpaper
· Auto taking picture or record a video when be called by door station
· Support DVR function

No. Items                      Content
1     LCD                        7 inch digital (1024*600)
2 Intercom type            Hands free
3 Communication         4 wires
4 Audio                         300mVp-p(1KHz,300Ohm load)
5 Audio distortion         Less than 3%
6 frequency response    400-3.5K
7 Intercom distance       30m（RVV4*0.5）100m（RVV3*0.5+SYV75-3）
8 Video                           1Vp-p 75Ohm(Input)
9 Button                          Non-lens Touch button*7
10 Support door station quantity        2
11 Support CCTV quantity                   2
12 Intercom between monitors           Support
13 Slave monitors 1,  Maximum 3
14 Input voltage
     AC100-240V , 50/60 Hz，
     DC 15V
15 Power Consumption 5W (MAX),1.5W(Stand by)
16 Working temperature -10℃～+40℃
17 Storage temperature -30℃～+60℃
18 Dimension 185.8*108*19.4mm