BBB Tail Light Black Free Signal Bicycle Rear Light 50 Lumens USB Charging

Powerful taillights that can be seen in any situation. Adopts extremely clear and bright COB (chip on board) LED. With memory mode function. Strap that can be attached to φ5-42mm. Can be used continuously for 31 hours (+4 hours flash mode) in day flash mode. Maximum lighting time in high mode is 2 hours and 30 minutes (+4 hours when flashing). Lumen range: 2-50lm Reference weight: 29g Category Name: Unisex Adult