EdisonBright Fenix BC21R 880 lumen Cree LED USB rechargeable Bike Bicycle Light, 2 X rechargeable 18650 batteries with BBX3 battery carry case bundle Maximum output 880 lumens using one Cree XM-L2 T6 neutral white LED Digitally regulated output maintains constant brightness Maximum Beam Distance: 410 feet (125 meters) New type quick-release bike mount for easy and secure adjustment of the light direction This bundle includes 2 X Fenix rechargeable 18650 batteries with EdisonBright BBX3 battery carry case