Duration: 6-8Hours 

Max Range: 300-500m 

Impact Resistance: 1m 

Water Resistance: IP65 

LED Bulb: 1 ×Cree XM-L T6/ U2 (LED with a lifespan of 100,000 hours) 

Battery Type: 1×18650 Li-ion Battery 

Crust Materials: Aluminum alloy 

Switch: Tailcap Switch 

Size: 14.8(L) × 4.0 (Head Dia) × 2.6 (Tail Dia) cm 

N.W: 170g ( Excluded Battery) 

Packaging: Common Box, Gift Box 

Optional Contents:18650 Battery, Home Charger, Car Charger, Plastic Case Web: http://www.okadu.net/flashlight/led-flashlight/aluminum-led-flashlight.html