LEATHERMAN Neo Headlamp, Yellow The LED Lenser NEO LED Headlamp weighs in at a mere 2.8 ounces light (with batteries), so it won't slow you down. This lightweight, compact, aerodynamic headlamp shines at a bright 90 lumens with just 3 AAA batteries, and features LED Lenser's Smart Light Technology for switching quickly between high and low power and blinking mode. It's perfect for running, dog walking, hiking, camping and outdoor DIY activities. The NEO Headlamp is especially well suited to running and walking after dark,