[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, electrical 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 cutoff switch automatically disconnects power after 120 seconds to conserve energy. When voltage exceeds 13.5V, remote control is disabled to prevent accidental disconnection while driving; operation reverts to manual switch control only. [Automatic cutoff] If battery voltage falls below 11.8V, the remote cutoff switch automatically disconnects power after 120 seconds. 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 manual button on the switch. [Protect the battery] This car battery disconnect switch helps prevent drain due to extended parking, faulty electronics, aging wiring, or forgetting to turn off lights, effectively protecting and extending the life of your car battery. Color: As shown in picture Material: Metal + Plastic Package Contents: 1 x Remote Battery Disconnect Switch kit Note: Light reflection and different display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.