1. It is for 180degree opening, both inside and outside together.

2. Auto reverse when an obstacle is encountered either in closing direction or opening direction.
3. Adopting worm and worm gear decelerator, super silence, no abrasion, long life.
4. Various opening modes: remote control, card reader, motion sensor, opening button etc.
5. Excellent reliability, over more than 2 million cycles durability tests.
6. Digitally change some parameters if needed, by adjustor.
7. Application: hospitals, office buildings, hotels and restaurants, places with the old and the disabled.