Features: HD is the video resolution mode with highdefinition , the value is 1280 " 720P , it has high resolutionfor recording video. Motion Detection : motion detection means that video will be automatically enabled when the device has detected that there's change or flash in the picture . It is turned on when the vehicle is under parking state for monitoring the car and keeping the evidence. Voice Recording : ON / OFF " function are optional . When it is set at On , it means to enable the voice recording function . when it is set at OFF . it means not to enable the voice recording function. Gravity Sensing : it is used for automatically identifying if the car is collided , for the emergency when there's collision , it can capture and record the video before and after the collision and save as special video the circular video recording is enabled. Language Selection : six languages are available ,including Simplified Chinese , " Chinese " , Traditional Chinese " , " English , Russian , Japanese and Korean Corresponding language is selected in this menu. Specification Video Resolution: 1080P Memory Card :TF card . max 32GB LCD Screen: HD screen Video Recording:circular video recording Package Size:21*13*9cm Package Weight: 390g Package List: 1x Motorcycle Recording Camera 2x set sensor 2x Screw 1x bracket