video door phone

1) Use the high-definition of 3.5 "digital display screen;
2) The level angle of camera is 90 degrees,so that it is more convenient for people to know who is coming.
3) Both of Launch, receive depending on digital encryption and frequency technic, , strong anti-interference and high degree of confidentiality;
4) Use full-duplex mode intercom calls, voice clarity
5) Hands-free calling function;
6) Use the built-in rechargeable lithium-ion battery-powered, with automatic recharging function. And Calendar, time in a separate power supply;
7) indoor unit can Wall-mounted or Desktop, and can be moved at any time, so you can know or see your guests at any time and location.
8) Instruction function of charge, standby function Instructions
9) It with menu features. indoor and outdoor voice, intercom size, brightness, contrast, regulation of clendar time are adjustable, the number of the out door units and the number of the indoor units can be controled by yourself throught the function of process set-up.
10) The system with visitors picture storage function, when a visitor came in and pressed the doorbell,the camera will automatically take pictures for them and storage by itself, when the owner came back, they will know who visited their house, as well as the visiting time and date.
11) The picture of memory can be stored in the machine through the USB port or download to your computer and save it.
12) Wireless control and electronic control to open the lock.
Hyun ringtones and indoor units options, voice control.function
13) Transmission distance in open terrain can reach to 150-200M.
14) Use 2.4G frequency transmission, consistent with FCC & CE R & TTE standards.