?The one-to-two video doorbell allows two indoor units to be controlled by the outdoor unit. Sharing the same outdoor unit£¬ two indoor units are usually installed in close distance. What we would like to recommend you here is just such an item. This SY802MC12 7" One-to-Two TFT Display Video Door Phone Doorbell (US Standard) is user-friendly even for the green hand. 0.3MP CMOS sensor ensures HD and clear images£¬ and the large TFT display screen allows you to get as legible views as possible. With such a practical item£¬ you can deal with the knocking even you are in the bedroom. It is really a perfect choice for household£¬ office£¬ shop or other places!                                    Features             One-to-two peephole video with door bell<br> Hands free video door phone<br> 7" color monitor with ultra-slim design£¬ nice and luxurious<br> Unique appearance shows the special tastes of the host<br> Two indoor units share the same outdoor unit<br> Image brightness£¬ color and volume can be adjusted<br> No radiation£¬ low consumption and high resolution<br> Keep you aware of intruders or visitors anywhere around your house<br> It provides an extra security and convenience for you and your family   <br>                                                            Specifications               Outdoor Unit        <br> Camera     0.3MP CMOS Sensor    <br> Night Vision     6Pcs IR LED£¬ Visible About 5 meters    <br> Consumption     Standby: 0.1W£¬ Work: 12W    <br> Rsolution     £¾420TV Line    <br> Angle     92degree    <br> Work Temperature     -10¡æ~+50¡æ    <br> Dimensions     (18 x 8.8 x 3.5) cm / (7.09 x 3.46 x 1.38)" (L x W x H)  Indoor Unit:    <br> Input     AC 100-240V£¬ 50/60Hz    <br> Output     DC 15V    <br> LCD     7" TFT 16:9 Display    <br> Resolution     480 x RGB x 234    <br> Consumption     Standby: 0.5W Work: 8W    <br> Delay Calling Time     120S¡À10%    <br> Delay Monitoring Time     40S¡À10%    <br> Valid Distance     50m  (4 x 0.65mm2)    <br> Dimensions     (23.5 x 16.5 x 3.2) cm / (9.25 x 6.5 x 1.26)" (L x W x H)    <br> Total Weight     2567g / 90.54oz    <br> Transmitting Distance of Image     About 200m    <br> AC Adapter     Input: 100-240V£¬ 50/60HZ£¬ 0.5A Max                                   Output: 15V£¬ 1.2A     <br>                                                             Package Includes            2 x Indoor Unit<br>1 x Outdoor Unit<br>2 x US Standard AC Adaptor<br>2 x Connect Cable<br>2 x Screws Set<br>1 x User Manual <br>