What is Electric Bicycle? A bicycle with an electric motor that helps to move the bicycle forward even when the rider is not turning the pedals, also often used to refer to any bicycle with an electric motor, including those where you must turn the pedals. The Electric Bicycle's battery is good for miles after which you can still pedal. If you have already own a bicycle, you can convert it into an electric bicycle to make your journey easier. Description 100% brand new and high quality [Product name] LED tail light [Specification]The product has 2 pins, waterproof connector [Material]made of high-quality plastic and metal materials, impact-resistant, durable and sturdy, can be installed without removing the handle, and quick installation [Applicable voltage]Suitable for most electric bicycles and scooters, suitable for6V-60V voltage [Cable length]120CM/47.2INCH [Size] Distance between two screws: 8cm/3.14inch Distance between two hook holes: 5cm/2inch [Scope of application] KT controller [ATTENTION:If you choose waterproof accessories for modification, then your other parts also need to choose waterproof accessories before they can be combined into a set successfully.] Note: 1. As we all know ,the different computers display colors differently,the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size ,you can feel free to contact mewe will give you some suggestion,but it is for you reference only. 3.We could accept Mixed items,Colors And Sizes Order. The more quantities, the more Package Included: 1 pcs tail light