... light up, says voltage than 8.25V, full power.4. Vacuum plating mirrir reflective, high temperature resistant, prevent ... aluminum, CNC machining, anodic oxidation surface treatment.6. Used 4*18650 battery pack, capacity: 4400mAh, voltage:8.4V, ... work continuously 3 to 4 hours.7. Feature: A. Fixed in front of ... : TrustFire TR-D003 Bicycle Light 1*T6 LED + 2*R2 LED 3 Mode Bike Lamp