Specifications: Battery disconnect switch rated current: 240A, rated voltage: 12V, standby power consumption: 3mA, power-off threshold: 11.8V±0.2V, instantaneous current: 500A. Manual and remote control: This disconnect switch helps prevent car battery drain caused by long-term parking, aging wiring, or leaving lights on. It helps preserve battery charge, providing effective protection and extending battery life. Smart car disconnect switch 12V: When battery voltage drops below 11.8V, the remote switch automatically cuts off power after 120 seconds to conserve energy. When voltage exceeds 13.5V, remote control is disabled to prevent accidental disconnection while driving; operation is then only possible via the manual switch. Automatic cut-off: If battery voltage falls below 11.8V, the remote switch will automatically disconnect power after 120 seconds. When voltage rises above 13.2V, remote functionality is disabled to avoid unintended shutdown during vehicle operation; power can only be controlled using the switch button. Protect the battery: This car battery disconnect switch helps prevent power loss due to extended parking, electrical system issues, wire aging, or forgetting to turn off lights. It effectively protects the battery and helps extend its lifespan. Color: As shown in picture Material: Metal + Plastic Package Contents: 1 x Remote Battery Disconnect Switch kit Note: Light reflection and differences in display screens may cause slight variations between the color of the item in the image and the actual product. Measurement allows an error of +/- 1-3 cm.