Battery Brain Type 3-12v Ensures the vehicle has enough juice so it will always start. Saves the driver and passengers from being stranded Saves wasted time and unnecessary towing / repair costs. Reduces the risk of vehicle theft. Prevents damage to the battery and extends its life, saving money Includes two keychain remotes for resetting the Battery Brain unit if it disconnects, or forcing a battery disconnect to prevent theft. THIS SET INCLUDES: Battery Brain Module, 2ea Handheld remotes, Bypass terminal, all hardware for any vehicle installation.