The mtnGLO Pump and Light combines two key functions, making it the most versatile item in your bag.As an air pump, it makes inflating nearly any sleeping pad, quick and easy. Switch it to vacuum mode to quickly deflate, making the packing up process a breeze.As a portable light, use it to illuminate your campsite into the night, or to see your way back from an early morning bathroom trip. Multiple brightness settings provide perfect lighting in any situation, and a powerful rechargeable battery allows for up to 24 hours of light!Useful on any outdoor adventure, don't leave home without the mtnGLO® Pump and Light!.