USB Rechargeable Bicycle Rear Light includes the following features : 

• Quality COB bulbs in 10 lumens
• 5 Working modes (Slow strobe > fast strobe > warning light > Brightness 100% > Brightness 50%)
• Tail light switch, change mode and switch function
• Charging port
• Non-slip design, suitable for irregular seats
• Hook and loop fastener as fixing strap, adjustable length, also suitable for large seat
• USB charging cable included
• Multi styles are available

Material :

• PC plastic housing

Size closed :

• Length of 2.85 cm x Width of 2.85 cm x Height of 5.95 cm