1. 【Energy status】 ： Output voltage: DC 5V ； Output current: 2A ； working temperature: -20 ~ 80 ℃. 2. 【Define content】 ： 3.2 m hardwire for dash cam and other devices with mini USB kit. Package contents: 1 * downward cable, 4 * electrical appliances. 3. 【24 hour monitoring】 ： connect the vehicle hard-wire kit to car battery or power fuse box to realize continuous power supply for 24 hours. It can even keep the car powered off 4. 【Low voltage protection】 ： With auto function detects to protect battery voltage and low voltage, it can auto cut power when it is lower than 11.6V, make sure the vehicle can start normally. 5. 【Output Voltage More Stable】 ： The vehicle hard wire kit with built-in precise switching power supply module, it can transform 12V-30V to 5V, output voltage is more stable.