REMOTE CONTROL BATTERY CIRCUIT BREAKER: This 12V battery disconnect switch can prevent the car battery from being overloaded due to long-term parking, power consumption from electronic equipment, forgetting to turn off the lights, aging circuits, etc. Effectively protects the battery and extends its lifespan; Control the switch within 100m with the remote control ️12V BATTERY DISCONNECT: When the battery voltage is lower than 11.8V, the remote switch automatically turns off after 120 seconds to save energy; when the voltage is higher than 13.2V, the remote control is disabled to prevent accidental power failure during driving, it can only be controlled by the manual switch WIDE APPLICATION: 12V 240A car battery disconnect switch for most 12V and 24V cars, boats, RVs, trailers, trucks, ATVs, UTVs, motorcycles, vehicles with displacement less than 3.0. Note: The dimensions of the car battery switch are 8.5x6x3.5cm, which takes up little space and allows for wider use; This switch with LED voltage display makes it easy to check the battery voltage in real time and know the battery status EASY TO INSTALL: The switch uses a negative contact; remove the battery's negative terminal, connect the switch to the battery's negative terminal and tighten the screw, connect the switch's red positive power cable to the battery's positive terminal. Power must be turned off before installation STABLE EMERGENCY STOP SWITCH: Working temperature for the car emergency stop switch: -4°F ~ 212°F, Standby power consumption: 3mA, Rated current: 240A, Rated voltage: 12V, Shutdown threshold: 11.8V ± 0.2V; Momentary current: 500A. Includes: Emergency stop switch x 1, remote control x 2, gaskets x 2, manual x 1