[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, line aging, 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 disconnect 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 limited to the manual switch. [Automatic cut-off] If battery voltage falls below 11.8V, the remote switch automatically disconnects power after 120 seconds to save energy. When voltage rises above 13.2V, remote control is disabled to avoid unintended power interruption during vehicle operation; power can only be controlled via the switch button. [Protect the Battery] This car battery disconnect switch helps prevent power loss due to extended parking, electrical faults, wire degradation, or leaving lights on. It effectively protects the battery and extends its lifespan. Color: As shown in picture Material: Metal + Plastic Package Contents: 1 x Remote Battery Disconnect Switch kit Note: Light reflection and different displays may cause slight variations between the color in the image and the actual item. Measurement allows an error of +/- 1-3 cm.