DAYTIME LIGHT TECHNOLOGY: The DYZI ALUMINATE-3000 Bike-light features the latest LED technology which will keep you visible at night and also during the day. Powered with 3 ultra-bright CREE XML LEDs which gives a wide beam and catches the eye from all angles. Ensuring very high visibility. USB RECHARGEABLE FRONT AND BACK LIGHTS: No need to waste money on batteries again. The DYZI ALUMINATE-3000 front and backlights are fully USB rechargeable and come with a USB CABLE for easy charging from the computer, laptop, power bank or any device with a USB port. The ALUMINATE-3000 has an automatic fully charged cut-off system function ensuring safety and longer battery life. The ALUMINATE-3000 has a 3000mah lithium battery and has a runtime of up to 8 Hours. ALUMINIUM HARD SHELL: The DYZI ALUMINATE-3000 made of aluminium alloy which makes our bike light strong and durable.-The DYZI ALUMINATE-3000 Bike-light is equipped with a mounting bracket that can be easily fixed to the handlebar. The ALUMINATE-3000 clips on easily and stays on securely and also clips off easily to use as a multi-purpose torch. The silicone mount strap for Taillight is designed to tightly fit around most size seat posts. NO TOOLS ARE REQUIRED. BUILT IN RECHARGEABLE POWERBANK: The DYZI ALUMINATE-3000 Front bicycle light is more than just a bike light, it can also be used as a power bank. If your phone battery is running low and you need a quick boost you can charge your phone while riding or you can use it to charge your phone wherever you are. With a built-in 3000mAh rechargeable battery it will provide plenty of juice when needed. The ALUMINATE-3000 bike-light is waterproof and is suitable for use on fogg UK COMPANY, 100% SATISFACTION GUARANTEE: We are a British Company and your wellbeing is our highest priority. The ALUMINATE-3000 Bikelight was designed in the heart of London UK. We are so confident about our product, we offer a 2 YEAR WARRANTY and friendly customer service Dyzi Premium Aluminium Bike Lights Set Waterproof Rechargeable Powerbank in Black Size: 0.5kg