Lind Electronics SDT1230-022 power adapter/inverter

The Shut Down Timer or sometimes referred to as a Delay Timer, protects your vehicle's battery from over discharge and equipment from low voltage and high voltage damage. This device turns OFF electrical loads at a preset time after the car engine is shut down. It protects your vehicle battery and communications equipment from over discharge, low voltage and high voltage damage. The EASY alternative to ChargeGuard™