Model no.: 840G (GP-840T+GP-723)
1) Built-in rechargeable lithium battery in camera
2) Night-vision camera: 5m effective range
3) USB 2.0 output to PC
4) Supports Windows 2000/XP
5) Bundle with security software
6) Image capture, and high speed MPEG4 real-time recording
7) Support MSN Messenger
8) Built-in microphone for audio monitoring
9) 4 channels available to avoid possible interference
10) Transmission range in open space: 100m