Features Aesthetically pleasing - The 105mm slim profile blends perfectly into all types of buildings Tracks of buildings Durable - Our system can put to the maximum load it has been tested to more than 1.5million cycles Havy duty - our system can carry door panels up to 250kg (EI125K HD) Flexible - Easy installation and programming / Universal Controller is designed to simplify trainingand reduce logistics capacity Options - Breakout function and telescopic function available upon request Safety - Complies to international standards Functions Emergency opening - door will be fully opened in the event of an emergency  Optional backup battery Nylon strip overlay on track - silent operation Optional electric - mechanical lock Self-diagnosis - error code display on controller Safety anti-aqueeze function