1. The product shell is made of High-quality materials, LED display 2. Functions: battery indicator, headlight control, boost function, boost gear. 3. Adaptive voltage: 36V 4. Applicable handlebar: 22.2mm. 5. IP65 waterproof grade. Due to different batches, there may be differences in product appearance, color, and text, which will not affect the use PIN: 5PIN Material: ABS colour: black Package Contents: 1 x Meter 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm. These bed risers help improve sleep and provide support for people with back pain. Risers are great for raising the height of low furniture and facilitating the transition from sitting to standing. This quick, easy solution can help people with limited mobility get up from the couch. The bottom of the riser is designed with anti- rubber pads, which can protect furniture and floors from scratches and reduce vibration. Also protects them from moisture. Riser boards are suitable for raised beds, sofas, , cupboards, tables, chairs and refrigerators. Furniture risers are made from ABS and each bed riser can handle heavy furniture up to 1300 pounds without wobbling. The top triangular cone anti- design prevents furniture from sliding left and right. (Diameter: 3.7 inches, Height: 2.3 inches).