Built with aviation aluminium alloy material Water resistant : Can be used in rain LED bulb lifespan : 100,000hours Powered by : 1x 18650 3.7v Battery Model of LED: CREE Q5 LED One button switch with 3-mode: High, Low and Strobe Size (mm): 156( Length ) x 34( head diameter ) x 28( body diameter ) Weight: 176g 3000mAh 3.7V 18650 Li-ion rechargeable Battery Batter can be recharged up to1000 cycles.1 100% quality Japanese battery cells Battery Dimension: Approx: 69mm(height) x 18mm (diameter)C charger with stabilize charging mode with low voltage stabilizer Cannot charge other type of battery Charger power input : 50/60Hz,100-240V AC Charger charging current : 350MA X 2 What's in the box 1 x Rechargable Flashlight