Driving recorder, built-in recorder camera resolution 1080p/2k can be switched independently TF card is only used for recorder storage ( or above, maximum support 128G) Mobile phone car mode, connecting CarPlay or Android Auto allows your machine to use functions of mobile phone Radio frequency: optional frequency range 76.0-108.0MHz Output power: 2W Operating voltage: 5V 2.5A Operating temperature: -20-60 Bluetooth version: version 5.0 (default name: -BT) wifi frequency: 2.4G/5G Dual-band (automatically switches according to frequency band of hotspot connected to mobile phone, used when connecting to Android AUTO and CARPLAY) CarPlay: wired x, wireless . Android Auto: wired x,wireless y: Built-in driving recorder:support (1080P/2K) Display resolution: 1600X600 Screen size: 8.1 inches Installation size: 142x65MM Audio format: MP3/AAC/APE/OGG/M4A/RA/WAV Video format: H263/H264/H265/ HD///MKV/MPEG/MP4/WMV9////QT Image format: JPEG/PNG/BMP/GIF/ Language parameters: Chinese, English, French, German, Japanese, Spanish, Korean, Traditional Chinese, Russian Colour:black Material:Metal+ABS Package Contents: 1 x Driving Recorder 1 cord 1 x bracket 1 x Audio cable Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.