Feature 1Premium and Durable: This electric bike display is made of premium ABS, which is sturdy and wear resistant and has a long service life. 2Low Failure Rate: The wires and interfaces are durable, ensuring low failure rate for long term use, excellent performance and stable operation. 3Waterproof Connector: This LCD display interface is waterproof, and it is not afraid of getting wet when it is used in rainy days, which is convenient and practical. 4Replacement Accessories: This display panel is the perfect accessory for electric bikes, scooters, etc. to replace old or damaged original parts. 5Easy Installation: The installation diameter is 31.8mm and 22.2mm optional, simple design, easy to install and operate, convenient to use.Item Type: Electric Bike DisplayMaterial: ABSGross Weight: 184g / 6.5ozVoltage: Default labeling 36V (24V 36V 48V 60V universal)Installation Diameter: Approx.31.8mm / 1.3in. Approx.22.2mm / 0.9inoptional .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Electric Bike LCD Display1 x ManualNotePlease note that this product is the No. 2 communication protocol and should be used with the controller of No. 2 communication protocol, otherwise it is incompatible.