Selling Points: *Transmission range is up to 300~500m * Plug & play, no need any cable setting and installatioin. * All are protable with built-in li-battery. * Wireless transmission provides real time video on DVR screen to view effect as you record; *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 *420TV line for clear image; *Night vision available Usage 1 : with 2 omni antenna; repeater be 1m away from pen; extend range up to 300~500m Usage 2 : with 2 omni antenna(one placed far with cable); repeater can be 20~50m away from pen; extend range up to 300~500m Packing: Yahoo Messenger id : spyimpex SPY IMPEX 66,DHRUVTARAK SOCIETY OPP:-HARIOM MILL VED ROAD SURAT-395004 GUJARAT