Electric Bicycle E-Bike Perfect Alomejor Motor Controller Display Waterproof Led PREMIUM QUALITY: Plastic shell with fine craftsmanship ensures good toughness and waterproof feature, which provides better protection for inner circuit and makes it more durable. APPLICATION FUNCTIONA: It allows you to easily have a look at the basic state of electric bike about speed, power, mode, lamp. EASY TO INSTALL: The wires and interfaces are durable, and ensure low malfunction of long time use. Each interface has different color for your easy installation. VERSATILE USE: It is suitable for 22.2mm handlebar, perfect accessory for electric bike, scooter, etc. This LED panel ha sensitive buttons, which is easy to operate. GUARANTEE: If you are not satisfied with our product you received, you can send emails to us at any time. We will reply you instantly and help you solve your problem.