2.4GHz Wireless Security pen camera DVR,small pen,

Selling Points: *Wireless transmission provides real time video on DVR to view effect as you record; *Mini camera hides into a super thin working pen ; *Near and far focus available for choice (near focus for small text record); *3.5"TFT LCD screen with up to 800X600 resolution *Video Format: Mpeg-4,AVI (800 or 320 @ 30fps) MP4,3GP *Memory: built-in flash :2GB 8GB; support SD card 1GB to 16GB *380TV line for clear image; *4 channels available to avoid possible interference; *Built-in antenna and rechargeable Li-battery; *Min. 100m transmission distance without blocks *Pen camera DVR Specification: Transmission Frequency