The KE-FC115N is a lightweight and durable 140 lumen focus control headlamp with a super bright white LED that allows you to adjust from spot to flood, plus 4 LED area lights for use in areas where less light is needed. The strap has built in reflective material for added visibility. Large push button switches for easy use with work gloves. Adjustable angle pivot point at base. High beam at 140 lumens with beam distance at 220 feet. Lightweight lamp reduces detachment from hard hat. Water resistant IPx4 rated. Battery powered: Runs on 3 AAA batteries which are included. Size: 2.5″H x 2″W x 1.7″D. Weight without batteries 3.4 oz.