one-button Mini SIP Video Intercom supplier, SIP Video Intercom Installation

Mini SIP Video Intercom
DP90 is a one-button Mini SIP Video Intercom with advanced audio system with the echo cancellation function. with the DP70 indoor touch screen control pad, you can speak to visitors at any time. It offers keyless control and convenience for the users opening the door without a key. The door can be opened remotely if there is an electronic door lock.