Speaker bike light:              

1.LED: 1x XPG2 5W LED             

2.Light output: 180 Lumens / Max output  

3.Battery: 1x 103040 Polymer Li-ion battery,3.7V,1200 mAh (Included )       

4.Length of USB cable: 20 cm      

5.Size: 100x61x52 mm

6.Weight: 82 g   ( Battery included )

7.Material: ABS,Acryl,Silicone.

8.Function(3 light modes): 100% brightness,30% brightness, Strobe,OFF.       

9.Horn Volume: 100dB/Press the switch and hold 3 seconds to change the sound mode.         

10.Water resistance: IP44

11.Runtime: 3h / High mode, 6h / Low mode       

12.Charging time: 2 h   

13.Battery indicator