1.Wireless video door phone

2.2.4G ISM digital transmitting frequency from 2402 to 2483.5MHz

3.Air transfer speed up to 2M bit/s

4.8K sampling rate,and 8-16 bits audio sampling accurating rate

5.CMOS camera,MJPEG compression mode

6.Transmitting power 17-20dBm;receiving senstive rate 90-100dBm

7.300 meters transmitting distance in the open air

8.4 inch digital TFT-LED screen,finger touch button,hands free

9.Power supply:DC5V 1000mA for indoor monitor; DC13V 1200mA for outdoor camera

10.ID card available for outdoor unit(not included)

11.1 outdoor camera works with maximum 3 indoor monitors

12.Monitor-to-monitor calling and talking available