Radio code lock, Open or close the garage without a remote control or key. The LiftMaster radio code lock opens and closes the gate by entering a 4-digit code. For example, you can temporarily assign a code to a visitor., Wireless, equipped with a 9V battery., A weatherproof cover protects the keypad., The keypad is illuminated and therefore easy to use even in the dark., For use with LiftMaster drives with 433 MHz rolling code radio: 5580KTX, LM3800TX
