Not Only for umbrella also for any decoration string lights needed.
Warm Tips:
1.Please pull out the plastic piece on the remote control when you use it for the first time.
2.The lines are parallel and can cut off multiple parts to achieve proper installation length without affecting the use of the lamps, but can not reduce the main line, otherwise it will cause damage to the product.
3.This product is not a toy, please stay away from children under 3 years old.
4. If not use please remove the battery.
5. Keep away from fire and open flames.