Photon Drop Light USB Rechargeable Bicycle Light Bike Tail Light Battery Features: Made of high quality plastic, sturdy and durable. 3 light modes: flashing, running, blinking. Easy to install, fits all bike seat posts. Running light mode constantly reminds you to park behind your car. Safer driving. Product Specification: Product Name: Bicycle Tail Light Material: Plastic Size: about 7*7*6.5cm Color: red, blue, pink, green, orange, yellow Weight: about 50G Package Content: 1 x Bicycle Tail Light Attention: The actual color of the item may be slightly different from the picture shown on website caused by various factors such as monitor brightness and luminance. Please allow slight deviation for manual measurement data.