Big Agnes Tumble 2 Person mtnGLO Backpacking Tent Features patent-pending mtnGLO tent light technology using durable LED lights to illuminate the interior of your tent with enough light to sort gear, play cards and hang out with friends without blinding them with a bright beam of light A simple push button controller with three settings  on, off and 50% brightness  controls the mtnGLO lights LED light strand is integrated into tent seams and is durable and flexible enough to withstand repeated tent pitching and stuffing Requires three AAA batteries (not included) to operate the mtnGLO light controller Single door and vestibule