Features: 100% Brand New. 2.7 inch TFT LCD screen Dual lens,Surveillance the outside and inside together Front lens : ultra wide angle of 140 degrees Back lens : ultra wide-angle of 120 degrees high resolution Built-in 1/4 inch low-noise and high-quality photographic element can capture ultra clear picture in a dark place Automotive turning on and recording function when the vehicle start. With a delayed start function to prevent transient pulse current damage machine at the moment the vehicle start Built-in microphone/speaker. Support high-capacity Micro TF Card,Up to 64GB Built-in lithium battery with charging and meanwhile recording function. GPS scanning and positioning Gravity induced SENSOR Specification: LCD screen size 2.7 "(16:9)Lens Front lens with ultra wide angle of 140 degrees; back lens with ultra wide-angle of 120 degrees Video Resolution1280*480 Image Resolution2560*1920 Video formatAVI memory cardMicro TF Microphone / speaker Built-in Television output NTSC/PAL DC Power 5V 500MA Battery Built-in lithium polymer battery System requirement Windows 2000/XP/Vista/Windows 7,MAC OS x above 10.3.6 Package includes: 1 x Car DVR 1 x Vehicle mount 1 x GPS module 1 x Manual 1 x Car charger