small size USB receiver DVR,motion detection,image capture, real time video record in hard disk or for long-range view like web

Features:

-- Receive and record A/V signal from wireless cameras( up to 4 cameras, auto-scan)-- USB 2.0 output to PC, transmission rate up to 480Mpit/s-- Record file format AVI and play with Windows Media Player-- Supports Windows 2000/XP/Vista-- High resolution image capture (1440X1152pix)-- High speed real time video record, 720 X576 pix@ 30pfs-- Support MSN Messenger & Skype for long-rang live video, like a web camera.--Sharp and nature image with true color.-- 4 channels available to avoid possible interference-- Small size(100X28X15mm, 41g) and beautiful appearance  Functions:1. Send e-mails attachment with image.2. Save image on Hard Disk.3. Sound alarm.4. Video signal filter, for filtrate Active and Invalid channel.5. Signal lost alarm.6. Motion Detection.7. Adjustable sensitivity.8. Automatically lock, while not any operate.9. Schedule Monitoring sessions, for timer snap.10. Record video/audio (with usb2.0 audio interface), snap shot.11. Automatic Space Management. Stop recorder or capture still automatically on disk full.12. Support 4 Channel video inputting on one computer.13. Support on Screen Display. Display date and time, or channel description on video.14. Supports manual open/close Invalid channel, or add/delete channel description.15. Supports login and logout, by User Name and Password.16. Supports running background stealthy.17. One video/audio input18. Receiving Frequency: channel 1: 2.414GHZ channel 2: 2.432GHZ channel 3: 2.450GHZ channel 4: 2.468GHZ

wireless USB DVR