Duration 5-8 Hours 

Max Range 300-500m 

Impact Resistance 1m 

Water Resistance IP65 

LED Bulb 1 ×Cree XM-L2 T6 (LED with a lifespan of 100,000 hours) 

Battery Type 2 ×18650 Li-ion or 4 × AA Batteries (Optional) 

Crust Materials ABS+ Aluminum Alloy 

Switch Head Switch, Back Switch for optional 

Size 12 × 9 × 8cm N.W 195g ( Excluded Battery) 

Packaging Color Box Optional Contents

18650 Battery, AA Battery, Home Charger, Car Charger Web.

http://www.okadu.net/headlamp/led-headlamp/high-power-cree-led-headlamp.html