Sturdyweather resistant and very bright, this is the ideal lantern for camping. One button gives you 600 lumens of light all round and the lifetime LEDs are protected by a shatterproof polycarbonate lens. __ BatteryGuard is a technology built into the switch that ensures when you turn the device off the batteries are isolated - so no trickle discharge. Batteries last longer and you can leave them in your device for years  with no risk of acid leakage._Weight (grams): 494Runtime (hours): 30 high/200 lowWater resistance level: IPX 4Batteries: 3 x D