Waterproof Design: This electric bike LCD control panel is waterproof, making it convenient and practical to use in wet conditions. Stable and Sturdy: The electric bike LCD meter has a simple design with durable wires and interfaces, ensuring a low failure rate for long-term use. Easy to Install: The electric bike cycling computer has a mounting aperture of 31.8mm, with 22.2mm optional, making it a perfect accessory for electric bikes, scooters, and similar vehicles. Good Replacement: This display panel is an ideal replacement for old or damaged original parts on electric bikes, scooters, and similar vehicles. Quality Material: This electric bike M5 LCD panel screen is made of high-grade ABS material, offering durability and resistance to wear. Item Type: Electric Bike LCD Meter Note: The product uses No. 2 communication protocol and must be used with a compatible No. 2 communication protocol controller; otherwise, it will not function. FAQ: Q1: What is the communication protocol? How many pins does the interface have? A: The communication protocol is No. 2. This is a 5-pin product, and the connector must match the pin definition of the product to operate correctly. Q2: How do you resolve the E10 fault code? A: 1. Check the instrument and controller docking port for poor contact, ensure proper plug connection, and verify there are no wiring errors. 2. Check the turnbuckle or booster for short circuits and confirm wiring accuracy. 3. Ensure no accessories exceeding 5W power draw (such as lights or horns) are connected through the instrument-controlled power supply. Q3: How do you restore factory settings? A: Enter the instrument parameter setting interface, navigate to P16 parameter, press and hold the plus key for 10 seconds to restore factory settings, or press and hold the minus key for 10 seconds to clear the total mileage. Color: As Shown Material: ABS Package Contents: 1 x Electric Bike LCD Meter Only the above package content is included; other items are not part of this package. Note: Lighting and display differences may cause slight variations between the item color in the image and the actual product. Measurement error allowance is +/- 1-3 cm.