Crystal Windows & Doors Products - Garage Doors System

Mechanical locking featured on all Crystals electric operators.	This operator featuring advanced technology is perfectly matched to all Crystal garage doors.	Retractable Doors Retractable gear also meets all the latest UK and European safety standards & features: - Multi spring cassette - Multi fine adjustment - Protective pivot arm cover - Components tested to 100,000 cycles

Hand Transmitters With the hand transmitter you have full control of your garage door. Simple Code Transfer Each operator is individually precoded at the factory. You can easily transfer this code to further hands transmitters yourself.