Specifications: Processor: Novatek96670 Size:3 inchIPS Screen Video resolution:Front camera1080P,Rear lens1080P(Mirror image) Material: ABS plastic shell (waterproof grade: IP67) Sensor:SONY(waterproof grade: IP65) Visual angle (FOV):140° TF Card:Up to 128GB Length of front and rear lens: 2.5m Wire controller length: 2.5m Microphone:Built-in Speaker:Built-in WIFI:Built-in Image format: TS GPS:External module Power supply:12-24v to 5V/2A Image format:JPEG Video compression method:H.264 Language:EnglishChinese Functions: loop recording, G-sensor, simultaneous recording before and after