Ultra-powerful 50 Lumen rear tail light that will attach to packs, helmets, seat posts or saddle bags. Featuring COB LED (Chips on Board) a new technology in which LED lights are packaged together as one lighting module forming a close grid. 5 Modes - Low, High, Flashing, Rapid Flashing & Pulse Flashing, sensitive touch pad makes switching modes easy. Runs up to 18 hours on pulse flashing mode. Supplied with bracket and micro USB cord. IPX4 Water resistance.