Specification:Material: Hard Plastic&RubberColor: Black、 GreenAdjustment Range: 90 degreeBrightness: 200 lumensBattery: 2 x CR Batteries  Dimension: 55 X 30 mm \/ 1.96'' X 1.18''Weight: 31.6 g Feature:The convex lens piece make the light more concentrated.90 degree adjustable clamp for different directions.Soft rubber material button、 one key switch.Package Included:1 x LED Cap Light2 x CR Batteries