BYB Super Bright L2 LED Rechargeable Bike Headlight, NEW Square Housing Design for Heatproof, Free Taillight and Headband Included LATEST HOUSIG DESIGN: Never worry about the heat, the new housing design can perfectly rescue you from the heat danger ENERGY EFFICIENT: For the same condition of energy consumption, this Bike Light carries around 20% further than what other lights do SAFETY FOR RIDING: Makes the darkened world visible to you, get noticed on the road at night External Rechargeable 5000mAh Battery Pack: Avoid Battery Replacement, Premium Energy Efficient High-Output, Long Run-Time for working LIFETIME GUARANTEE ON BICYCLE HEADLIGHT: We are always standing by our product, and here for our customers