Lighting EVER 4 Lighting Modes Waterproof USB Rechargeable CREE LED Headlight for Bike This USB rechargeable bike headlight provides the super high brightness of 500 Lumens/ 70LUX and shines up to 656 feet away in the darkest path at night. The low power indicator function remind you to charge in time and the side windows with yellow light could make you be seen easily by around motorist, greatly improve your safety. The IPX5 waterproof design of the bike headlight ensures to withstand the most extreme weather conditions and against water splashing at any angle. Furthermore, the headlight can be easily installed to the bikeâs handle bar. The two inner rubber layers can be used to adjust to different handle bar widths, it fits any kinds of bike: from kids to mountain bikes. Specifications LED Source: CREE XP G2 LED LED Quantity: 2 Material: Metal, ABS, PMMA Brightness: max. 500lm; 70lux (10m) Included Components: Batteries included Battery: Lithium polymer battery Battery Capacity: 3000mAh Charging Time: approx. 7 hours Lighting Modes: Vertical, horizontal, Cross light beam and breathing modes Dimmable: Non-dimmable Light Color: Daylight White Color Temperature (K): 6 Input Voltage (v): 3.7 Waterproof: Yes Protection Rating: IPX5 Certification: CE, RoHS, FCC Warranty: 1 Year Length (in): 3.67 Width (in): 2.22 Height (in): 3.12 Net Weight (lb): 0.37 Weight (lb): 0.57. Super Brightness - With a powerful CREE LEDs chips technology, provides the super brightness of 500 lumens and shines up to 656 feet away in the darkest path at night. Never worry again about riding in the dark! 4 Modes Adjustable - This bike light has four working modes: Vertical, Horizontal, Cross light beam and Breathing modes. Simply press the button to switch on the lamp and to choose between the lighting modes. Hold the button for two seconds to switch off the lamp. Rechargeable Battery - The bike headlight with Built-in polymer lithium-ion rechargeable battery, capacity is up to 3000mAh, charged by USB cable (included). After the full charge the run time is 3.5 hours at full brightness, 7 hours at half brightness and 16 hours at breathing mode. Battery Reminder Function - When the bike light battery power is lower than 25%, the ON/OFF button will turn red to remind you to charge . The side window with yellow light make you be seen more easily by around people when riding the bike, greatly improve your safety. Widely Usage - Easily install to your bike handlebar, fits on all bikes. Also can be used as a standalone flashlight or emergency, illumination, rescuing, SOS light after removing the holder.