Merlin MR850 Roller Door Opener with Battery Back up. The Premium DC Slimline Roller Door Opener for Residential Rolling Garage Doors up to 16.5m2
Don't let a power outage lock you out, the Silent Drive 850+ with battery back up you will never get caught out.
It is Ideal for large single or double residential roller doors. This premium quality automatic opener is quiet, secure and contains the latest energy saving design features.