See and be Seen: The USB Glostick works great as a safety beacon and doubles as a lightweight water-resistant flashlight, making it ideal for a variety of uses: marine, auto pet walking, safety, camping and more! It offers convenient USB charging and 4 lighting modes. Features: - USB charged - 4 LED light settings: bright, dim, flashing, SOS - 3 hours of use on bright and up to 35 hours of use on SOS - Polycarbonate tube refracts LED light creating glow appearance - Breakaway lanyard - Height: 6 in. - Diameter: 1 in. - Weight: 1.50 oz