RDO Domestic Roll Up Door Operator Kit With Battery Back Up Inc Voyager Receiver and 1 x 4-Button Nova Remote.
 
Main Features
Battery backup.
Strong lifting capability.
Whisper-quiet operation.
Anti-crushing protection.
Quick and easy installation.
Wall-mounted controller with Courtesy Light.
Onboard multichannel code-hopping receiver:
Open/close garage door. Switch Courtesy Light on and off and Override automatic closing.
Electronically lock the system for added security.
Compatible with CENTURION infrared safety beams.