Specification: Lightbulb/LED Lifespan: 20,000 hours Modes: 1 Battery Configuration: 3 x AAA batterie (not include) Runtime: About 4.5 hours Switch Type: Click Switch Location: Tail-cap Lens: Coated Glass Lens Material: Aluminum Alloy Dimensions(L x Head Dia. x Body Dia.): 3.43 x 0.98 x 1.06 inch /8.7 x 2.5 x 2.7cm You will receive: 1 x Inspection Light (as described) FAST Shipping from Ohio Usually at your door in 1-3 business days. We ship FAST .... !