The Astro 300 is a simple, reliable headlamp designed for those who value function over extras. It offers 300 lumens max output with full strength, dimming, and strobe settings. This stormproof IPX4-rated light features brightness memory and a digital lock mode to prevent accidental activation. The Dual-Fuel model uses three AAA alkaline cells or a rechargeable Li-ion battery. The Rechargeable version includes an integrated 1500 mAh Li-ion battery and a recycled elastic headband for comfort.