Air-craft grade Aluminum body with rubberized handle 6pcs 5mm ultra bright white LED & One Xenon bulb 3xAAA batteries required Four phase rubberized pushing IC switch 3LED on--6LED on--Xenon on--off Burning time: 50hours(3LED),25hours(6LED),2.5hours(Xenon) 100,000 hours long lifetime LED, never need change Silicon"O"ring for perfect weather proof