Sectional door opener
1. Improved performance in hot & cold weather & humid environments
2. Soft start & stop saves wear and tear on your door
3. Enhanced economy 1.0mm thickness steel rail slot.
4. Reverse the closing door if something block the door board
5. Stop the opening door if something block the door board
6. 220V 15-25W bulb illuminates whole garage
7. You can choose 600N 800N and 1000N
8. 433.92Mhz 50/60Hz
9. Can add photocell
10. Can add wall switch.
11. With steel rail