Four light modes: Pivoting light reaches up to 50 meters and puts out up to 200 lumens with state-of-the-art LED technology. Headlamp: Get an Energizer Vision HD LED headlamp. Batteries: Plus 10 industrial alkaline AAA batteries. Headband: Features a stretchable and breathable headband designed to fit most. Water-resistant: The light is IPX4 water-resistant to withstand splashing whilst the headband is removable for washing. Durable: Runs for up to 8.5 hours in high mode and resists damage from drops up to 1m high. Energizer Hd Led Headlamp & Batteries | Living Social