... for the automatic rolling door, office, shops and hospitals.Functions:1) Remote control function: up/stop, down ... /stop, stop/lock, unlock.2) Manual control function: up/stop, down/stop. 3) Storage ... storage power can supply power and DC24V rolling door motor can be operated about 20 times. ... Small power wastage, little vibration.4) Remote control.5) Supply reserved power equipment, In the absence ...