Features: Two technologies available to choose, allowing users to choose according to their intelligent home system needs. Intelligent control, through mobile applications, you can easily achieve functions such as timed opening and closing of curtains, remote control, and scene setting. This intelligent rolling shutter motor adopts advanced quiet technology, making the curtains almost noiseless during the opening and closing process, it will not disturb your life. Humanized design, fast and simple installation process, even amateur can easily get started. It is compatibility with most types of curtains on the market. Equipped with multiple protections functions to ensure user safety. Meanwhile, its energy efficient management system can help you reduce electricity consumption and achieve energy-saving effects. Specifications: Product name: intelligent home roller shutter motor Material: ABS Color: white Size: approx. 17.40x4.3x3.7cm/6.85x1.69x1.46inch Type: refer pictures to selection please Package Includes: 1 Piece Roller Shutter Motor(optional) 1 Piece Remote Control 4Pcs Turntables 2Pcs Screws 2Pcs Expansion Tubes 1 Piece Data Line 1 Piece Adhesive Tape note: Wireless communication technology for short distances and low rate requires configuring protocol converters to connect to the app, while wireless control ranges is of 8-10m. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.