Zebralight H52Fw AA Floody Headlamp Neutral White Battery: One 1.5V AA (NiMH, lithium or alkaline) or 3.7V 14500 li-ion rechargeable. Batteries are not included. Beam Type: Floody beam from frosted lens, with 90 degree beam spread Weight: 2.9 oz (80 gram) with an Eneloop AA and headband Smart user interface provides fast and easy access to all brightness levels and beacon-strobes. Waterproof to IPX7 (2 meters, 30 minutes)