Hikvision DS-K4DC105 Automatic Door Closer
- Latching speed valve adjustable angle range is 0~15°
- Closing speed valve adjustable angle range is 15°~180°
- It is recommended that the door closing speed be slightly
faster from 180° to 15°, and slow down from 15° to 0°,
subject to the door fully closed. To prevent the door from
closing too fast and causing the door leaf to collide with
the door frame.