Product name:Bicycle Creative Tail Light Product size about : Bicycle Light Stand: 5.95cm*2.85cm*2.85cm/2.34in*1.12in*1.12in Product color: As shown in the figure Product material:PC Bicycle light battery life about: 5 hours in strong light mode, about 30 hours in flash mode of warning light product features: 1. Charging function: This tail light has a USB charging function and can be charged through a USB interface or other charging devices, which is convenient and practical. 2. High brightness: This light use LED lamp beads, which have high brightness and can provide enough light at night to increase the visibility of the rider. 3. Multiple modes: Tail lights usually have multiple modes, including constant light, fast flashing and warning lights. You can choose the appropriate mode according to personal needs. 4. Waterproof design: Since you may encounter rain while riding, tail lights usually have IPX-2 level of daily waterproofing to ensure that they can still work reliably in bad weather. 5. Easy to install: The lights are equipped with straps and can be easily installed on bicycles, balance bikes and other vehicles. Precautions: 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 contact us at any time. We will give you some suggestions, but for your reference only. Shipment includes: 1 pc Bicycle creative tail light 1 pc Strap 1 pc USB charging cable 1 pc Packaging box