The Moon Meteor front light offers a maximum output of 450 Lumens with an excellent run time of two hours at this output. Features: Light sensitive auto ON/OFF- To help you to conserve battery power when the light is not needed Light Memory Mode - Stay on the same mode even when you turn the light off Battery capacity and charging indicator The Comet X Rear light is USB rechargeable and has a maximum output of 25 lumens. Features: Low battery, charging and fully charged indicator Quick release universal bracket RB-22 (fits all round bars and AERO style bars) Water resistant (IPX 4)