MINI USB adapter for dash cam with 12V-30V to 5V conversion1、Wide Application: Mini USB dashcam hardwire kit works for almost all car MINI USB device, such as dash cam, mirror cam, GPS navigator and radar detector etc. 2、High Security: The dash cam hardwire kit with built in precise switching power supply module can transform 12V‑30V to 5V. Built in safeguards protect your devices against excessive current, overheating. 3、Simple Operation: The dash camera hard wire kit is simple to operate, simple hidden wiring keeps the car clean, and releases the cigarette lighter to connect more equipment. 4、Uninterrupted Power Supply: The hard wire kit is connected to the power supply of the car battery or fuse box, which can continuously power the dash camera for 24 hours. 5、Premium Material: Car dash camera hard wire kit is made of ABS, rubber and metal material, wearproof, scratch resistant, not easy to break, crack and aging.