1. This is a more convenient car battery disconnect switch system that can remotely control your car , proper maintenance will prolong and protect battery and engine life. 2. Remote operation, compared to traditional battery switch, this remote wireless battery switch disconnect allows you to move the trigger from under the hood to your hand, so you 't need to the hood frequently. 3. A new 320ft remote control is included. You can even control it , one-key control the dashboard of the entire car , the remote receiver standby current is very low (0.003A), universal DC 12V camping trailer SUV van small truck agricultural vehicle tricycle auto off-road. 4. Integrated design, small in size, free from cumbersome wiring, and easy to install 5. Suitable for any 12V vehicle with displacement less than 2.5 Type: B installation steps 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 Installation warning: Do not connect the positive and negative poles in reverse, otherwise the motherboard may be burned. Working voltage: 12V 1.8W Working current: 200A Instantaneous current: 360A Material: Plastic + Metal colour: black Package Contents: 1 x Car Battery Breaker 1 x remote 1 x battery clip 2 x copper sheets 1 x control wire Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.