Feature: 1. CAR POWER CONTROL: Car battery disconnect switch system that can remotely control your car power system to extend and protect battery and engine life. 2. EASY OPERATION: Wireless battery switch breaker allows the trigger to be moved from under the hood to the hand, no need to pick up the hood frequently. 3. COMPACT SIZE: The car battery relay is an integrated design, with compact structure, avoids cumbersome wiring, easy installation and disassembly. 4. WITH BATTERY: The remote controller is equipped with 2pcs 150mAh 3V CR2016 button batteries, which is easy to operate and energy saving. 5. ABS SHELL: The car battery switch shell is made of ABS plastic, which has good toughness, wear and corrosion resistance, provides good protection. Specification: Item Type: Battery Remote Control Switch Material: ABS Remote Control Battery: 150mAh 3V CR2016 button battery x 2 (with built in battery) Application: Battery Relay Working Voltage: 12V 1.8W Working Current: 200A Instantaneous Current: 360A Package List: 1 x Relay 1 x Remote Control 1 x Battery Clip 2 x Copper Sheets 1 x Control Cable Note: Do not connect the positive and negative poles in reverse, otherwise the motherboard may be burned. How to use: 1. Remove the negative power cord of the original car 2. Fix the negative power cord of the original car to the relay 3. Fix the relay to the negative pole of the battery 4. Connect the red wire to the positive pole of the battery