Features:        
1. Usb output for PC and AV output for monitor, TV, etc.
2. Infre-red LED's to aid night-time vision
3. Built-in rechargeable Li-battery in camera, at least for 5 hours continuous working
4. High speed MPEG4 compression support real time image output
5. Min 100m transmission distance without block. Surpports Window 98 / Me / 2000 / XP
6. Aloyed shell, weather-proof funtion for ourdoor usage
7. Surpport MSN Messenger
8. 4 channel-scan function distance for multi-camera working

3, Specifications:        
1) Size: 54 x 43 x 43mm, weight: 212. 7        
2) Weather proof night vision type        
3) Transmission / receiving frequency: 2. 4GHz      
4) Audio and video        
5) Transmission power: 10mW        
6) Valid distance: 50 - 150m (without block)        
7) CMOS total pixels: PAL: 628 x 582 NTSC: 510 x 492      
8) Horizontal definition: 380 lines        
9) Frequency system: PAL / NTSC        
10) Power adapter:        
A) Receiver: DC 9 - 12V / 300mAh        
B) Camera: DC 9 - 12V / 300mAh        
11) Operating temperature: -20 - 50º C