Features: 1.Widely Used - Suitable for installation in cars, motorcycles, bicycles, Drones. 2.Safety - Our LED Aircraft Strobe Lights increase the night-time and inclement weather visibility to ensure safety. ThisLED Aircraft Strobe Lights is a perfect way to enhance your safety when you are riding in the dark. Safety is our primary consideration. 3.Battery - USB charging, bulit-in battery 90 mAh, fully charged can be used 8H. 4.Waterproof - Our LED Aircraft Strobe Lights have been tested for water resistance. You don't have to worry about the wheel light breaking when you ride in the rain, suitable for all kinds of weather, but please do not leave it in the water too long 5.After-sales Service- If you have any problem, please contact us immediately, we will help you solve it as soon as possible. Specifications: Size:3.8*2.9*1.3CM Flash Model: Constant/Fast/Slow includes: 1 X LED Aircraft Strobe Lights