Check the listing for details. Sortfle AM15-ES-E Motor for Roller Shades, 17/25/28mm Tubes, Mini Smart Blinds. Color: Black, Condition: New. Listed at 94.88 USD. [DIY Electric Roller Blind] Suitable for motorized upgrades of small roller blinds, narrow windows, and thin shades.[Rechargeable Roller Shade] The motor features a Type-C charging port, and a single charge lasts approximately 4 months.[Smart Control] The motor has a built-in RF receiver, allowing control via remote. It can also be paired with an RF gateway (AC520-02) for app control and voice control through Alexa and Google Assistant.[Compatibility] The motor comes with three sizes of drive wheels, compatible with 17mm (0.67"), 25mm (1"), and 28mm (1-1/8") roller tubes. Please refer to the main image. If you're unsure how to measure, please contact the seller.[Package Includes] You will receive: 1 rechargeable motor, 1-channel remote control, 1 shade bracket, and 3 sets of drive wheels and crowns.