Origin	China
Model Number	W388R4

Receiver
Receiving Frequency:  2.4G
Wireless 4 Camera Security Surveillance DVR Item
Built-in video processor which allow you to see four cameras at once on TV or monitor for video and audio monitoring.
Receiving  Sensitivity:-85db
Receiving Distance: 50-100m
Power adapter:DC5V/1500MA 
Camera
2.4Ghz Wireless Pan&Tilt Camera
Built-in microphone
Four Channel Optional
Image Device:   1/3"  CMOS
Horizontal Definition:380 line
Transmission distance without block: 50-100m
7-10m night vision Range
Camera rotates 150 degree auto or by remote control and 90 degree vertically by hand
Four level speed optioinal
Camera could be used in wired or wireless two mode.

380 TVL of horizontal definition.
4 channels are available for watch.
Built in 4 PIP in screen.
10m night vision distance.
Camera can Rotate 270at horizon and 90 up-down.
Camera can work with wire and wireless.
100m transmission distance without block.
Audio monitoring with microphone in camera.