Streamlight

Double Clutch USB Headlamp - Case Material: Tough polycarbonate construction with polycarbonate lens - Facecap Diameter: 1.75 - Width: 2.5 - Depth: 1.66 - Weight: 4.0 oz - On/Off: Facecap twists for easy functionality even with gloves Facecap at center position for Off. Rotate 90 for On (spot or flood based on rotation direction). Double tap for intensity change; previous intensity is stored in memory - Battery Dual-fuel: Powered by USB rechargeable lithium polymer battery; also accepts three AAA alkaline or lithium back-up batteries - Features: - Spot and flood beam patterns - High or low lighting modes with previous mode memory - IPX4; water-resistant; 2 meter impact resistance tested - 60 tilting head - Includes USB cord and adjustable elastic and hard hat straps; optional AC wall adapter available