1. It can be pushed by hand or pulled by chain
2. During hand pushing, the pull chain does not rotate
3, Pull down the lower beam, the roller blinds will fall, and stop when you release it; lift up the upper beam, and the
roller blinds will rise, and stop when you release it
4. Roller blinds can be stopped at any height.
5. By adjusting the number of pre tightening tums of boost pring, the rising speed of roller blinds can be adjusted.
6. The system is equipped with limiter, which can limit the up/ down position of roller blinds.
7. The clutch used to mental-core technology.
1.Min W 0.9m
2.Max H 3m
3.Max load 3kg（light duty）；Max load 6kg（heavy duty）
Spring roller blinds is widely used in high-grade ofice buildings, office buildings, meeting roomshotel lobbies, coffee shops, study room and other places to shade.