Description: 【Intelligent Auto Power Cut Off】: This remote controlled battery disconnect switch features an automatic power cut-off function that activates when the battery voltage drops below 11.8V, cutting off power within 120 seconds to conserve energy. Conversely, when the voltage exceeds 13.2V, the remote control becomes inactive to prevent accidental disconnection while driving, ensuring that only manual switching is possible 【Versatile Compatibility】: Designed for vehicles powered by a 12V DC supply, this auto disconnect switch is for a wide range of vehicles including most cars, trucks, RVs, buses, and trailers particularly those with engine displacements under 3.0 liters 【 Lock Functionality】: Utilizing an innovative relay system based on principles to control circuit connection and disconnection, this remote battery disconnect switch boasts a standby current of just 0.015A 【Easy Installation】: The design of this remote switch protector allows for straightforward installation by directly connecting it to the negative terminal of the battery to ensure stable performance 【Enhance Battery Protection】: By using this leakage protection device, you can avoid unnecessary battery drain caused by long-term parking, well-functioning electronic devices running continuously, aging wires or forgetting to turn off lights. It effectively protects and extends your vehicle's battery life by ensuring they remain charged and ready for use at all times while ultimately prolonging the overall lifespan of your vehicle's electrical system Specification: Material: PP Size Chart: 8.3cmx5.8cmx3cm/3.27inchx2.28inchx1.18inch Package Includes: 1 Set Remote Battery Disconnect Switch   Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.