LED Bike Light-USB Rechargeable LED Front Light-800 Lumens MTB Road Commuter-Water Resistant Bicycle Headlight-Easy to Install Cycling Safety Fits Kinds of Bicycles

USB Rechargeable Head Light USB rechargeable front lights, · built in 2000mAh rechargeable internal battery · 2 CR2023 battery(easy to replace) for Taillight. · Easy and quickly Charge the headlight   6 Speaker Modes · Up to 120dB · 6 speaker modes · More Safety Riding · Ringtone Switch easy to install · Press + or - button to change the mode     Adjustable Gear Light · CR2023 battery installed · Easy to install to anywhere on the bicycle · 220 degrees 220°and 700ft visibility · 3 modes option , High-Low-Flashight · Easy to turn ON/OFF     Long Visual Distance · Up to 800 Lumens · Up to 500 ft illuminating distances · 125 degrees beam range   5 Light Modes The headlight has 4 modes option. · Spotlight · Astigmatism · High Beam · Strobe · SOS