Waterproof bike rear light for safe night riding with LED technology High Brightness Warning Tail Light: High Brightness Beads, Easy Installation, Waterproof<br> High brightness COB beads Eye-catching floodlight warning: Equipped with high quality COB lamp beads, Uniform light, strong penetration<br> Multiple light modes One button fast switching: The stand-alone machine switches the light-up mode, in order. Standing light - shutdown - running light - shutdown - blinking - shutdown - cyde<br> 300mAh battery Type-C charging: Can be connected to computer, charging treasure charging<br> Charging and charging alerts: Charging with red light Filled with lights<br> Tool-less installation: Quick installation without tools<br> Daily waterproofing: Waterproofing Effective resistance to rain<br> design: Lighter weight for a more comfortable ride<br> Name:Bicycle warning tail light<br> Bead Type:COB LED<br> Product Weight:24g<br> Battery Capacity:300mAh<br> Charging Methods:Type-C<br> Charging Time:about 40min<br> Working Environment Temperature:-30-65<br> Working environment humidity:Less than 80%<br> Storage environment:-40-75<br> Colour:Blue<br> Material:ABS+electronic components<br> Package Contents:<br> 1 x bicycle tail light<br> 1 x USB charging cable<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.