Features1The Tail Light is built in 2 LED lights, provide bright light for your cycling and make sure you enough safety. 2Adopted with plastic material, sturdy and durable for long time use. 3It is easy to mount and without any tools, easy to install. 4Fit around most size handlebars and seat posts. 5This tail light is powered by 2 x AAA Batteries (not included). Provide you enough power when you cycling.SpecificationSpecification:This is a 2 leds bicycle tail light.Material: Plastic.Size: approx.7cmx3.5cm/2.8''x1.4''.Color: as picture shows3 Modes: Flashing;0.5 Watt;1 Watt.Run Time: (depends on battery capacity).1 Watt: up to 15 hours.0.5 Watt: up to 30 hours.Flashing: up to 60 hours.Battery Configuration : 2 x AAA Batteries (not included).Package Included:1 x Bicycle Tail Light.1 x clip mount set.Note:Due to the difference between different monitors, the picture may not reflect the actual color of the item.Please allow 1-2cm differences due to manual measurement.Package List