1)Transmitting frequncy:2.4GHz,operating range within 150-180m
2)Microprogramming technique,automatic remote control,high performance
3)Receiver screen:2.4inch color TFT
4)Transmitter camera:0.3M pixels CMOS sensor
5)Clear night vision function,24 hours for Monitoring,call in,intercom and unlock by remote control
6)1 receiver with 1 to 6 transmitters(optional)
7)Receiver uses Mini-USB port, built-in high-capacity Li-ion battery;
8)Fireproof ABS,popular appearance