Moon Light MK2 Reachargeable Safety Rear Lamp

1 pc (30 chips) COB high brightness red LED
Rechargeable lithium polymer battery ( 3.7V 500mAh)
8 modes: Low / Standard / High / Over drive /
10% Flashing /50% Flashing / 100% Flashing / Strobe
3 O-rings for mounting:RS-D (fits 20-26mm);
RS-E (fits 26-40mm) ;
RS-F (fits 40-52mm) ;
Low battery, charging and fully charged indicator
Automatic fully charged cut-off system
Side visibility
Water resistant (IPX 4)
Size:72 x 24 x 22.5 mm