Certification: CE
Origin: Mainland China
Model Number: mwh211023b
Mounting Placement: Seatpost
Power Supply: Battery
Install method: Saddle / Seatpost
Weight: About 40g
Physical size: 80* 18 *20 mm
Material: ABS
Waterproof: IPX-5
Battery: 500mAh Li-ion re-chargeable battery
Lamp beads: COB light bar