When you need an ultralight headlamp that does it all, look to the Princeton Tec Quad Headlamp. With its four ultrabright LEDs, this headlamp powers through the darkest conditions. Its wide beam is great for technical scrambles, while the rest of its four settings can be tailored to your needsfrom campfire cooking to moonless trail runs. These LEDs burn at a constant brightness, and the Quad features a battery meter so you know when to change the batteries (AAA alkaline batteries included). The tough waterproof housing means the bulbs will live through severe impacts and water submersions up to three feet. Princeton Tec incorporated special circuitry so weight-obsessed climbers can reduce the Quad's already paltry 3.4oz to 2.9oz by using lithium batteries (not included).