... rolling shutter motor 2, 24V DC motor drive unit 3, Rolling code 4, Safety auto-Reverse rolling shutter motor1, Inpout Voltage : AC230/110V selectable2, Motor Type : 24V DC motor ... , Quiet operation and reliability, Drive unit housed within the roll ,hardwearing #66 nylon gear mechanism ... Waterproof function19, Easy installation20, OEM, ODM is welcomed. rolling shutter motor