Colour:4pcs Material:Polycarbonate (PC) These LED Aircraft Strobe Lights are essential for emergency situation. Specifications Material: TPR for outside and PC for inside Size: 39mm * 13mm Battery: USB charging, 70 mA Use time: always on for 1-2 hours, flashing for 8 hours, use time in different modes vary. Package Includes 2/4 LED Aircraft Strobe Lights (With USB charging cable) Notice: Please allow 1-3cm deviation due to manual measurement. Actual color may be slightly different from the image due to different monitor and light effect. [7 Colors LED Strobe Lights]:-- The Strobe Lights are the hottest trends for outdoor enthusiasts to have a new look, coolest and excited ride, the colorful lights attracted attention of so many onlookers. You will fall love with it. [Safety]:-- The Lights increase the night-time and inclement weather visibility to ensure safety. This LED Aircraft Strobe Lights is a perfect way to enhance your safety when you are riding in the dark. [Waterproof]:-- Our LED Aircraft Strobe Lights have been a waterproof test. You don't need to worry about the bike wheel lights will be damaged when riding in rainy days, suitable for all kinds of weathers, but please do not put it in the water too long. [USB Charging]:-- Battery 70 mA, fully charged can be used 8H. This light can be charged by USB cable via computers, chargers or portable power banks. [Versatile]:-- Use the included fasteners to securely strap the lights onto boating bows and sterns, drones, bicycles, arms, wrists, and ankles. Suitable for installation in cars, motorcycles, bicycles, Drones. [7 Colors LED Strobe Lights]:-- The Strobe Lights are the hottest trends for outdoor enthusiasts to have a new look, coolest and excited ride, the colorful lights attracted attention of so many onlookers. You will fall love with it. [Safety]:-- The Lights increase the night-time and inclement weather visibility to ensure safety. This LED Aircraft Strobe Lights is a perfect way to enhance your safety when you are riding in the dark. [Waterproof]:-- Our LED Aircraft Strobe Lights have been a waterproof test. You don't need to worry about the bike wheel lights will be damaged when riding in rainy days, suitable for all kinds of weathers, but please do not put it in the water too long. [USB Charging]:-- Battery 70 mA, fully charged can be used 8H. This light can be charged by USB cable via computers, chargers or portable power banks. [Versatile]:-- Use the included fasteners to securely strap the lights onto boating bows and sterns, drones, bicycles, arms, wrists, and ankles. Suitable for installation in cars, motorcycles, bicycles, Drones.