USB Rechargeable Bike LED Tail Light Bicycle Safety Cycling Warning Rear Lamp

Specifications: Size:8.5x2.5cm Voltage: DC5V Color: Blue / White / Red Battery Type: Built-in 150mAh Rechargeable Lithium Battery Mode: Flash - Strobe - Always On Lumens: 15lm Charging Time: 2 hours Working Time: 3 hours Is Waterproof: Yes Rubber Band Diameter: 2.4 - 3.4cm Use for: Headlight, Tail Light, Warning Light, etc. Feature: USB rechargeable LED light, fully automatic power off and can use for a long time. Suitable for installation on 12mm-34mm frames, easy to install and use. Can press the button to turn on/off and choose flashing mode. Package Content: 1 x Bike LED Light 1 x USB Cable