Features:
1. Waterproof Design: This Motorcycle Rear LED Helmet Light Is Waterproof And Looks Stylish On The Road At Night. It Includes One Helmet Light, One USB Cable With 1 Magic Tape.   
2. Offers Three Mode: Always On, Flash, And Warning Mode. You Can Select The Mode With A One Button Switch. Day Or Night Riding, This Powerful Red Helmet Lamp Will Keep You Seen!   
3. Compatible On All Helmets: Can Be Used With Any Brand And Model Motorcycle Helmet. Super Sticky, Easy To Install And Easy To Remove. Looks Good On Any Helmet.   
4. Built In Rechargeable Battery: USB Rechargeable Helmet Light Battery Only Needs 2 Hours Of Charging For Up To 8 Hours Of Power. Powered By A Rechargeable Lithium Battery.   
5. Protect Your Safety: LED Helmet Lights Make You Visible To Others For Added Safety Under Poor Visibility And Bad Weather Conditions.    

Specifications:
Charging Voltage: 3.7V    
Working Voltage: 2.6-4.2V    
Working Current: 30mA    
Working Temperature Range: -20℃ -+55℃    
Waterproof Rating: IP67    
Built In Lithium Battery Capacity: 200mah    
Three Modes: Always On, Flash, And Warning Mode   

Package Included:
1* Helmet Light   
1* USB Cable   
1* Magic Tape