The Backpacker Mosquito Repeller from Thermacell keeps pests away from your campsite. It offers a repellent range of 15 feet. Running on a stove fuel canister (not included), the Backpacker Mosquito Repeller can give you up to 360hrs (with a 16oz fuel canister) of protection, for a mosquito-free trip. Lightweight and minimalist design Runs on a backpacking stove fuel canister (not included) Fuel efficient - up to 90hrs of run time (4oz fuel canister) / up to 360hrs (16oz fuel canister) Protection perimeter: 15ft Operates at an altitude up to 7000ft Scent and DEET free Dimensions: 9.7cm (H) x 5cm (W) x 6.7cm (L) Fuel canister not included