Specification: Product name: Motorcycle Modified /Drone / Bicycle Warning tail light Material: ABS Shell color: black Light Color: Four-color models: yellow， white， green， red Seven colors: ice blue， blue， purple， yellow， white， green， red Three-color models:white， green， red Battery life: 8H Battery capacity: 90mah Product size: 3.9*2.7*1.3CM Product weight: 14.5g Feature: 1. Unique four-color/seven-color light source design， each color has the effect of fast flashing， slow flashing， and always bright. 2. Two fixing methods， Velcro and strap， are used for easy installation. Packing list: 1*Tail light 1*USB data cable 2*Strap 3*Paste pad 1*Manual