The Thermacell Backpacker provides a 15ft x 15ft Zone of protection against mosquitos and uses the same gas canisters as your backpacking stove.Lightweight: 114g/4.0 ozCompact and portable: 97mm H x 50mm W x 67mm LFuel Efficient - up to 90 hours of run-time from even the smallest 4 oz gas canisterFuel System - Works only with camping gas canisters: pressurized self-sealing (iso)butane and propane fuel mixIntegrated Piezo starterWater-resistant nylon carry pouch includedWon't harm gearUses gentle heat to activate the repelling ingredientIncludes: Backpacker Repeller, 3 repellent mats, water resistant pouch LightweightShaves ounces and inches by pairing with the fuel source you're already packing, camping stove gas canistersWeighs only 4 ounces Fuel EfficientProvides an entire evening of mosquito freedom on less gas than it takes to boil a pot of water360 hour runtime on 16oz canister180 hour runtime on 8oz canister90 hour runtime on 4oz canister CompactSame great Thermacell protection, more packable size97mm H x 50 mm W x 67 mm L