1，See and converse with visitors at the door before you open it
2，Clear two-way audio commnication
3，Door phone monitor comes complete with a 2.5 inch TFT
4，LCD monitor and door release button which can be used to operate an electric door latch
5，Weather-resisitant door phone camera has a built-in camera
6，call button and six infrared LEDS
7，Infrared illumination helps indentify visitros even at dusk
8，Encrypted ID code to ensure privacy
9，High integration of 2.4GHz to eliminate interference
10，Wireless technology brings easy time-saving installation
11，Wireless remote door release
12，Store 3000pcs visitor’s picture
13，Max range 100 metres in open area
2，Clear two-way audio commnication
3，Door phone monitor comes complete with a 2.5 inch TFT
4，LCD monitor and door release button which can be used to operate an electric door latch
5，Weather-resisitant door phone camera has a built-in camera
6，call button and six infrared LEDS
7，Infrared illumination helps indentify visitros even at dusk
8，Encrypted ID code to ensure privacy
9，High integration of 2.4GHz to eliminate interference
10，Wireless technology brings easy time-saving installation
11，Wireless remote door release
12，Store 3000pcs visitor’s picture
13，Max range 100 metres in open area