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