Waterproof Design: This electric bike LCD control panel is waterproof, making it convenient and practical for use in wet conditions. Stable and Sturdy: The electric bike LCD meter features a simple design with sturdy 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 31.8 mm or 22.2 mm, making it a compatible accessory for electric bikes and scooters. Good Replacement: This display panel is suitable for replacing old or damaged parts on electric bikes and scooters. Quality Material: This electric bike M5 LCD panel screen is made of high-grade ABS material, offering durability and wear resistance. Item Type: Electric Bike LCD Meter Note: This product uses Communication Protocol No. 2 and must be used with a compatible No. 2 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; the connector must match the product’s pin definition to operate correctly. Q2: How to resolve error code E10? A: 1. Check the connection between the instrument and controller for poor contact or wiring errors; ensure proper plug-and-play installation. 2. Check the throttle or booster for short circuits or wiring errors. 3. Ensure no additional accessories—such as lights or horns—are connected to the instrument’s power supply; total external power draw must not exceed 5 W. Q3: How to restore factory settings? A: Enter the instrument parameter setting interface, navigate to parameter P16, then press and hold the plus button for 10 seconds to restore factory settings. Press and hold the minus button for 10 seconds to reset total mileage. Color: As shown Material: ABS Package Contents: 1 x Electric Bike LCD Meter Note: Only the items listed above are included; other products are not part of the package. Note: Color variations may occur due to lighting conditions and screen settings. Slight dimensional differences of ±1–3 cm may occur due to manual measurement.