LCD screen size: 4.0 inch HD IPS displayLens: Front: 170 High Resolution Wide Angle Back: 140 Wide AngleInternal Camera: 120 Wide AngleResolution: 1080FHD/720P/VGAVideo Resolution: Front: Full HD 1080P, 720P Back and InternalSpecification:Resolution: 1080FHD/720P/VGALoop recording: support (will not overwrite)Enhanced Night Vision (HDR): On/OffExposure: -3/-2/-1/0/1/2/3Motion Detection: On/OffRecording: On/OffDate Stamp: On/OffLicense Plate: Off/OnGravity Sensing: Off/High/Standard/LowParking Guard: Off/OnAutomatic shutdown: off/3min/5min/10minVideo Selection: Front Inside / Back FrontBeep: On/OffEnglish/Traditional Chinese/Simplified Chinese/RussianFrequency: 50HZ/60HZLCD Brightness: Off/30S/1min/2minSpecificationLCD screen size: 4.0 inch HD IPS displayLens: Front: 170 High Resolution Wide Angle Back: 140 Wide AngleInternal Camera: 120 Wide AngleLanguage: English/Traditional Chinese/Simplified Chinese/RussianVideo Resolution: Front: Full HD 1080P, 720P Back and InternalCamera: 720P(640*480)Video format: AVI (H.264)Auto loop recording: off/1min/2min/3min (note: will not overwrite)Image resolution: 3M/2M/1MImage format: JPGMemory card: TF card (maximum support 32GB, access speed level 10 or above)Microphone/Speaker: Built-inFrequency: 50Hz/60Hz Interface: 2.5mm digital 720P rear view lens interface (AV IN)/Mini USB/TF card slotPower supply: DC5V 2000mABattery: 320mAH built-in batteryThe package contains: 1 car DVR camera 1 rear view camera 1 x rear view camera cable (about 6m) 1 car charger 1 x User Manual 1 suction cup