Motorbike Helmet Warning Light USB Rechargeable Waterproof Tail Light, Specification: 4 Beads

1. Material: ABS2. Charging voltage: 3.7v3. Operating voltage: 2.6-4.2v4. Operating current: 30ma5. Waterproof grade: IP676. Built-in lithium battery capacity: 4 beads 200mAh, 10 beads 350mAh7. Universal warning safety light can be placed on helmets, motorbikes, electric bicycles, bicycles, backpacks, etc.8. 3 lighting modes, switch between left/right/flash modes by pressing the button switch once9. Provides 8 hours of light after 2 hours of charging via USB10. Easy to install with hook-and-loop patch11. Attach one side to the helmet with adhesive (included) and then attach the tail light to it, which can be removed and reinstalled at any time12. Size: 8.7x3.5x1.5 cm13. Weight: 43g