Moon Ring USB Rechargeable Bicycle Bike Light

Weight:21gSize:44 x 31.2 x 16.5 mmBattery:Rechargeable lithium polymer battery (3.7V 280mAh)Charge Time  :1A 2hrsIndicator:Low battery, charging and fully chargedCasing:CNC aluminium heat sink casingMounting  :  2 O-rings for mounting:
RS-G (fits 20-35mm diameters)
RS-H (fits 35-52mm diameters)Mode:Mode 1 / Mode 2 / Mode 3 / Flash 1 / Flash 2 / Flash 3 / Day FlashOthers:Automatic fully charged cut-off system
Side visibility
Water resistant (IPX 4)
Belt clip design (can be installed either on saddle bag, jersey back pocket, etc.)
ModeLumen  RuntimeMode 165 hours 30 minsMode 2152 hours 20 minsMode 3251 hour 30 minsFlash 1613 hoursFlash 2255 hoursFlash 3259 hours 30 minsDay Flash  5019 hours 30 mins