1. [Bracket Diameter] Easy to install and use, comes with LCD screen display bracket, suitable for 22.2mm/0.9in handlebars. 2. [Simple to Replace] Can be installed and disassembled quickly and effortlessly, no tools are needed, to meet your various needs. 3. [Material] LCD display is made of high quality ABS material, waterproof, and designed for long service life. 4. [See Clearly] The backlight allows you to see the screen clearly even in dark environments, and key operation is fast and convenient. 5. [Large Screen] LCD display makes it easier to view the data on the panel, and the status is displayed on the large screen more intuitively. Item Type: S866 LCD Display Water Proof Grade: IP65 Communication Protocol: UART Matching Voltage: 24V 36V 48V Weight: 138g / 4.9oz Bracket Diameter: 22.2mm / 0.9in Plug: SM Plug (Ordinary Plug) Color: Black Material: ABS + Acrylic Package Contents: 1 Set * S866 black and white screen bicycle monitors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.