Please note:The camera is only compatible with mini3 which with a 3.5 mm jack mount. The camera with USB port do not buy this hard wire kit. | Design for DDPai Mini3 Dash Cam,Supports IPS (Intelligent Protection System), Car battery voltage protection options (11.8V, 12V, 12.4V) | Input voltage: DC 12-30V, Output vltage: DC 5V 1.5A. Perfect direct hard-wired car charger for mini3 DVR Dash Cam Recorder. | Protection for over voltage, over current, over temperature, short circuit, low car battery voltage auto cut off. And can work in normal condition when restored.