General description The 12V 240A Wireless Remote Control Battery Cut Off Switch is designed to prevent battery power consumption during prolonged parking and protect the battery from electronic device drain. This emergency cut-off switch effectively extends battery life by automatically disconnecting power when the battery voltage drops below a certain threshold. Technical specifications Rated current: 240A Instantaneous current: 500A Rated voltage: 12V Cut-off threshold: 11.8V ± 0.2V Standby current consumption: 3mA Operating temperature: -22°F ~ 194°F Dimensions: 3.3 x 2.4 x 1.4 inches Compatibility and accessories Suitable for most cars, boats, RVs, caravans, trucks, ATVs, UTVs, motorcycles, and beach boats with an engine displacement of less than 4.0L Contents: Emergency stop switch x 1, remote control x 2, manual x 1 Installation Easy to install with a negative connector for stable performance Power must be turned off before installation Usage Automatically cuts off power after