Product information:

Single weight: 80 grams (including packaging box)
Name: BG-WR25 Smart Brake Tail Light
Color: seat tube type, seat tube type (buckle)
Lamp beads: LEDCOB
Battery capacity: 500MAH rechargeable lithium battery
Brightness: 100LM
Use function: always on, flashing
Shell material: 6061 aluminum alloy

Size information:

Size: 52x53x38mm