Electric curtain is to use electricity, it can also use a power outage? There will be a power outage on the card there can not close the curtains?
Power failure can not be used, such as the TV did not open up the electricity.
If there is a manual system, even if the power outage, you can pull, if there is no manual, can only be stuck there
Electric curtains are equipped with a manual system, power failure, you need to pull your hand.
