Possibly the most versatile light you can carry, and a must-have on every trip. Flexible straps wrap around bike seat post or handlebars, tent poles, tree limbs, trekking staff, backpack D-rings – virtually anywhere you need light for illumination, signaling or emergencies. Twin LED bulbs provide steady or flashing illumination up to 80 hours. Features:Flexible Strap that is used to "Double Back" onto itself to wrap around its subject2 LED lights2 CR2025 Batteries (Included)Single light modeEmergency Flash modeUp to 80Hr Battery life