Built-in 140 degree high resolution dual wide angle lens Dual 180 degree rotating lens Built-in low-noise high-definition photosensitive elements can capture high definition pictures in darker occasions Built-in G-sensor with event recording lock function Support external GPS logger (global synchronization) , recording whole event situation Password protection function, can't release any recording if without correct password Resolution: 1280*480 30FPS (2Ch Record) , 640*480 30FPS (1CH Record) No seam recording function One key for silent recording Pre-recording function (1s) Noninterference at digital TV and navigator units in car Anti-shake function Loop recording Micro SD card up to 32GB (At least use 4GB class 6 Micro SD) AV out function supported Support current of DC12-24V, and it can be used for large vans, trucks and buses | Size of LCD screen | 2.0 inch high-definition TFT-LCD (960*240 Pixel) | | Lens | Dual lenses of 140 degree A + wide angle | | Sensor | CMOS | | Language | English, Chinese, Japanese, Russian | | Resolution | 1280x480 30FPS (2CH Record) , 640x480 (1CH Record) | | Format of image | M-JPEG (AVI) | | Loop recording | Support | | No Seam record | Support | | Emergent event key | Support | | Audio switch | Support | | Image flip | Support | | G-SENSOR | Internal | | GPS | Support external GPS | | Memory | Micro SD up to 32GB, at least above 4GB, and access speed of Class 6 above (The card is not included ) | | Audio | Built-in stereo microphone and loudspeaker | | Encryption function | Support | | Muting switch | Support | | Video signal | PAL/ NTSC | | Video output | CVBS | | AV out | Support | | Time/ Date setting | Support | | Time/ Date watermark | Support | | Battery | Polymer Li-ion Battery 700Mah/ 3.7V | | Operating system | WIN7/ Windows 2000/ XP/ Vista | | Operating temperature | -10~60 | | Storing temperature | -20~70 | | Weight of machine | 95g | | Size of machine | 135 (L) x 24 (H) x 52 (W) mm | |