Night Provision Ultra Bright BX-550 USB Rechargeable Bike Light with Removable Battery - Front Bicycle Headlight - Easy Install Quick Release Bicycle LED Lights &#x2714; PLAN LONGER RIDES - Total 10hr MAX Run-Time Will Get You Through Any Trip - Double Your Run-Time With A Quick Replacement Of The Spare Removable Battery. Check The Rechargeable Battery Capacity With The Self Test Feature To Gauge Your Run-Time Before Leaving. Continuous lighting is accessible while charging meaning you can also power the BX-550 with a separate USB power bank to extend your rides. High: 550lm (3hrs) / Mid: 250lm (4.5hrs) / Low: 50lm (10hrs) / Strobe (8hrs) &#x2714; SAVE TIME & MONEY - No Tools Required; Conveniently Install on your bike In Seconds On The Go & Remove In Seconds While Parked. Compact - Fit's Right Into Any Bag Or Pocket. Save Money & Charge With USB Technology Anywhere (Laptop, Car, PC, Cell Phone Charger) &#x2714; SUPER BRIGHT & POWERFUL - The Cree XM-L2 LED Delivers A Blinding 550 Lumens That Will Illuminate The Darkest Path On Or Off Road &#x2714; KEEP YOUR RIDE LOOKING CLEAN & CLUTTER FREE: Integrated Night Provision Rechargeable Battery & Headlight. Clean Setup Without Hanging Wires. Slim Line Minimalist Rugged Design With Premium Grade Aluminum Keeps Your Ride Looking Sleek & Less Bulky. The 6061 aircraft grade aluminum and ABS plastic housing allows for advanced heat dissipation with a perfectly balanced light weight durable design. &#x2714; NIGHT PROVISION SIGNATURE GUARANTEE: Night Provision&trade; Is The Only Bike Light Manufacturer That Boasts a Full 2 Year Limited Lifetime Warranty: Guarantees a piece of mind knowing your always covered through ownership of this bike headlight. 60 Day 100% Satisfaction Guaranteed Free Return.