Item Type: Blind Drive Motor Set Material: PC Weight: Approx. 672g / 23.7oz Product Size: Approx. 160x46x41mm / 6.3x1.8x1.6in Type: Roller blinds, vertical blinds, Roman blinds, butterfly curtains Blind Roller Parameters: Model: MC08 Battery Type (Built-In Battery): Rechargeable Lithium Battery Battery Model: 12V Nominal Battery Capacity: 1200mAh Remote Control Battery: 1 x CR2450 Button Battery (Battery Not Included) Support Function: APP remote operation, manual control of main body of blind roller, remote control operation Installation: Install in the window frame inside or the side of the window frame, can be installed within 3-5 minutes in a place within reach. Settings: a. Press the button 6 times to complete the setting of the curtain direction and stroke within two minutes, and establish a connection with the remote control; b. One key press - select the up or down direction (adjust according to the left or right direction of the curtain); c. The second button - establish connection with the remote control; d. Press the key 3 times - complete the setting of the highest and lowest position of curtain, that is, the curtain stroke; after the setting is completed, curtain will run within this range. How to Use: a. It can be operated manually or controlled by our remote control; b. A remote control can control the lifting or opening and closing of one or several curtains at the same time. Note: If you don’t want to use our products, remove the controller and the curtains can still be used normally.