Bicycle Rear Light with rechargeable Li-ion battery

Features:
USB rechargeable
IPX5 waterproof
Optical technology
Low power indicator: when the battery power is remaining 20%, on/off button would turn to red, after finishing charging, it would turn to green

Specifications:
Installation: on the seatpost
Battery: Premium Li-Ion
Battery capacity: 200mAh
Charging time: 2 hours
Run time: 4 hours
Function: ON/OFF
Waterproof: IPX5
Low power indicator: yes
Material: ABS, PMMA
Weight: 40 g
Dimension: 428x403x469mm
Bike Light Certification: StVZO, CE, ROHS
LED Certification: CLM2B

Warranty:

24 months