. The District+ rear light is bright! Now that may sound like an obvious statement but until you’ve seen one of these in the dark you won’t quite believe it. Be seen at all times – day or night Features: . 135 (105 measured) lumens 3 red Osram high efficiency Oslon LEDs 3 static and 3 flashing modes 2600mAh rechargeable Li-Ion battery or shares front light battery via splitter cable 270 degree visibility 15-200 hr burn timeBuy Hope Accessories from Chain Reaction Cycles, the World’s Largest Online Bike Store.