Duo

The Henderson Duo gives complete flexibility in installation with a separate control box,
ideal for siting next to an existing power socket 

There is 1 Duo model - the 650SL for doors up to 14 ft wide

The unique gliding motor keeps moving parts to a minimum, reducing noise and making the system maintenance-free

 An in-built safety sensor detects any obstruction to the door movement, stopping the door and reversing if on the closing cycle

An in-built light on the control box automatically switches on as the door opens and switches off after 3 minutes

The Duo memorises the time taken to open and close the door and then ensures a softer start and stop to the movement (so there's less door slam)

Two stylish handtransmitters are supplied, each with four buttons (so they can operate more doors, gates or security lights) with a rolling code security system with 74 trillion code options

The Duo features a separate boom and control box so there is no need to re- position a power supply for the unit. Simply position the control box on a wall next to an existing socket, up to 7 metres away from the end of the boom. No electrician required,
no fuss involved 

   
 

A push button is in-built into the control box as another means of opening the door. In addition, every Duo has a simple switch to allow manual operation from inside the garage

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