> 7” TFT LCD screen, with outstanding effect
> Easy to use with big buttons
> Color Video phone, support hand-free calls
> Support monitoring, video talk, unlock function
> Support Information check, can receive Message from guard office
> Directly notice to guard office for emergency
> Compatible to up to 8 security sensors( burglar, fire, gas leakage, etc
DH-VTH1500AH (2014-02-28, English)