Bicycle Light 25 Lumen 3.7V 330mAh Rechargeable Battery 1W Red COB Work for 8 Hours 1.5 Hours to rec

• Size: 4.4*3.2*3.2cm             
• Weight: 24g                       
• Bulb: COB 1W LED(25Lumens)
• Material: ABS + Aluminum                                      
• Working Mode:1W COB 30% on（5lm）-1W COB 50% on(15lm)-1W COB 100% on(25lm)-double press low flash-middle flash-strobe-long press for 3 seconds off 
• Battery: 3.7V 330mAh rechargeable battery (included)     
• Charge Time: 2.0hrs By USB   
• Working Time:2.0 Hrs       
• Include USB Cable