?Still use old door viewer to recognize and welcome your guests? Go after fashion with this SY806M11 7" Wired Video Door Phone Doorbell! Delivering easy installation and one-touch operation£¬ our wired video door phone doorbell is pretty popular in the hotels£¬ offices£¬ villas and so on. It provides you with night vision function£¬ wide angle£¬ stable picture &amp; voice signal and also supports all kinds of electric locks. Moreover£¬ various kinds of interchangeable ringtones are offered for you to choose while ring volume can be adjusted. A reliable and trustworthy protector for all of you!                                    Features            New and high qualityHands free video door phoneThis door station adopts high-definition CCD camera£¬ making a better effect for imageYou can monitor outside by pressing the keyMicro-processing technology£¬ automatic remote control functionality£¬ excellent performance£¬ high reliability£¬ wall or desktop mountingOne outdoor unit can call to one indoor unitVarious multi-chord tunes are available with adjustable volumeBuilt-in high-capacity rechargeable lithium-ion batteryUSB interface for charging batteryExplosion-proof£¬ waterproof design£¬ prevent-oxidation£¬ wear-resistant protective caseInstallation is simple and convenient£¬ users can install it by themselves                                                            Specifications            Input    AC 100-240V£¬ 50/60Hz    <br>Output    DC 15V/1.2A    <br>LCD    7" TFT (16:9 Display)    <br>Valid Area    154.08(H) x 86.58(V)mm    <br>Consumption    Standby: &lt; 0.5W£¬ Work: &lt; 10W    <br>Calling Duration Time    120S    <br>Monitor Time    40S    <br>Work Temperature    -10¡æ~+50¡æ    <br>Max. Transmitting Distance    200 metres    <br>Resolution    960 x RGB x 480    <br>Valid Distance    50m(4*0.65MM2)    <br>Angle    92degree(Adjustable)    <br>Outdoor Unit Dimensions    (11.2 x 6.6 x 16.8) cm / (4.41 x 2.59 x 6.61)" (L x W x H)    <br>Indoor Unit Dimensions    (22.8 x 13 x 2.5) cm / (8.98 x 5.12 x 0.98)" (L x W x H)    <br>Total Weight    1231 g / 43.42 oz    <br>                                                            Package Includes            1 x Indoor Unit<br>1 x Outdoor Unit<br>1 x AC Adapter<br>1 x Connection Cable<br>1 x Screws Parts<br>1 x User Manual<br>1 x Mounting Plate<br>