Appearance size:290*78*12(mm) Weight:300(g) Storage card:TF card Shooting angle:front 170°+back 140° Data storage capacity: maximum support 128G (with 64G memory card) Data storage time: loop video Data transfer interface: USB, AV Transmission rate: 30 frames per second Power supply: cigarette lighter car charger / buck cable Size: 12 inches Voltage: 5V/12V Rated current; 2.5A Lens: dual lens Main lens aperture: F1.8 Super features: WIFI phone interconnection, GPS track playback in computer, G-sensing, reverse image, motion detection, loop recording, parking monitoring, night vision fill light, collision sensing, night vision enhancement, front and rear recording, short video sharing, etc.