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Door Opener de Luxe

An electrical door opener can be controlled by an electronic code lock or a transponder. However, this always requires running a cable, installing a keyboard (tamper-proof) or fitting a concealed coil. All of this can be avoided by using a radio remote control of the type used for cars. The receiver can be fitted directly to the electrical door opener. Various types of aftermarket sets for controlling a centralised locking system are available in accessories shops. They cost around 50 (£ 30), including a handheld transmitter.
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