Technical Specifications 1)IR day and night vision for recording 2) Recording resolution:1280x960 720x480 640x480 4) Repeat storage by section: 2/5/15 minutes or off 5) Power source: Built-in rechargeable battery or 12V/24V Car Charger 6) Supports SD/MMC card ( From 1GB up to 32GB) 7) Microphone: can record sound 8) Interface: USB2.0Setting the functions: Turn on the DVR and press to enter into setting interface.Menu Button. Confirm by and select by for the following setting. Press again to exit after finished.1.Movie Size: Select [1280x960 720x480 640x480 ] 2 Audio Recording. :Select On or Off 3 Volume:From 0 to7 4 Motion Detect: Select On or Off 6 Recording time:select [2/5/15]minute to decide how many time will be storage per one section or Off. 7 Date Stamp: Select [Date &TimeStamp]or [No Stamp] 8 Date/Time: Setcorrect recording Dateand time. 9 Language: Select [English/Chinese/Russian 10 LightFrequency: set [50/60Hz]. 11 Restore Default:. Select[ Yes]or [No]. 12 Version:. Show the software version Number. 13 Rotatable 270 degree,2.5 inch Lcd Monitor | 
