Using 2.4G wireless technology
Simple installation, screw in and play
Using 600TV lines, 1/3" CMOS Censor
Using 36pcs IR LEDs (940nm), invisible light to human eye at night 
Accept voltage AC 110-250V
Transmission Distance : 200 meters in open area
Receiver can receive 4 channels individually
Receiver connects to TV for displaying 
Transmitting Audio+Video 
Video can be stored in third party storage device
E27/E26/B22 Adapter for Bulb camera (different conversion adapters available)
Viewing Angle : 90 Degree