PDW Spaceship 3 + RADBOT 500 Light Set. Features: Spaceship headlight focuses 3 brilliant Nichia LEDs for a light output greater than 1/2w LED RADBOT 500 is equipped with a .5 watt LED and a large precision reflector and features three light modes. Mission Control-2 quick release mount fits 22.0-31.8mm diameter handlebars (2) AA and (2) AAA batteries included Specs: Model Package:Spaceship 3/RADBOT 500 Run Time:up to 100 hrs F/ up to 30 hrs R Color:black/red Weight:91/62g