Truck Door Minder™ Cargo Truck Door Monitor Wireless No Wifi No Wires Open Closed Position Indicator for Roll up Doors

Truck Door Minder™ is the world's first and only freight and cargo delivery truck door monitor for roll-up doors. It comes with transmitter, receiver, and smartphone Apps. The transmitter installs in seconds on the rear door. The receiver is placed inside the cab and uses 12V or USB power. Truck Door Minder also is equipped with a rechargeable battery to allow notifications to the driver even when the key ignition is off. Never let the driver get in the truck without knowing the status of the truck door. When the door is in the up position, the transmitter will send the receiver an encrypted signal. The receiver will then notify with a beep and light alert that the door is open. Truck Door Minder also alerts your smartphone with screen notifications. Truck door monitor for safety and security. Truck door monitor for cargo delivery trucks.