Are you looking for a professional, yet affordable LED head lamp? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further Our professional bike head lamp must meet you needs. It is one of the best choices for you.Specification- Headlamp:- Exposure Distance: 300-500m.- Bracket Type: 360 degree rotating bracket.- Charging Port: MICRO USB.- Charging Input: 5V/1A (maximum supported 9V).- Voltage Output: 5V/1A.- Operating Voltage: 3.7V.- Waterproof grade: IPX5(rain proof, proof).- Dimming Mode: High, low, strobe(long press 2 seconds to shut down).- Charging Time: 5 hours(2400mAH); 10 hours(5200 mAh).- Continuous Working Time: Highlight for 5 hours(2400mAH); 10 hours(5200 mAh).- Taillight:- Light Color: Red- Continuous Working Time: 100 Hours(1200mAh).- Modes: Strong/Marquee 1/Flash/Marquee 2/Breathing.Features- Color: Black.- Material: PC, Silicone.- Taillight Size: About 11.3x4.8x2.9cm/4.44x1.88x1.14 inch.- Headlamp Size: About 8.8x2.5x2.7cm/0.98x1.06 inch.- Comes with both a headlight and a tail light making your stand out.- Water resistant rated to IPX5 - Protected against splashing water from any angle.- Full power LED lights for green, weak power for red. The LED is red when charging and green when fully charged.- Easy to install and remove.- USB charging, more convenient.