Features: High quality CREE LED ensures bright light output Waterproof that can be used in the rainy days Energy-saving that offers long runtime 3 switch modes: strong, low and flashing Specifications: LED Type: 1*CREE-T6 Light Color: White Voltage: 4.2V Power Supply: 4x18650 (two serial and two parallel) Luminous Flux: 1200lm 3 Switch Modes: Strong-Low-Flashing Run Time: 3 hours(Strong Brightness), 5 hours(Normal Brightness), 3 hours(Flashing) Switch Type: Tail-cap Exterior Color: Rose red Lens Type: Coated glass lens Relfector Cup: Smooth Refector Cup SKU: C2LE003DO Package Includes: 1 * LED Bike Light 4 * 18650 Battery 2 * O-Style Circle 1 * EU Plug Charger 1 * Head belt