Description Runs on a backpacking stove fuel canister (not included) Fuel efficient: up to 90 hours of run time on a 4 oz canister and up to 360 hours on a 16 oz canister Fuel canister must be pressurized self-sealing (iso)butane and propane fuel mix (product will not function with 100% propane) Lightweight, minimalist design that shaves ounces and inches out of your pack (114g/4.0 oz). Compact and portable (97mm H x 50mm W x 67mm L). Dependable performance up to an elevation of 7,000 feet No spray and no mess. Scent-free and DEET-free. Usage Tips: Do not attempt to use with refilled canisters, Allow gas to flow for 5 seconds before clicking the piezo ignitor, and Only compatible with valves designed to the EN417 specification Package contains: 1 Backpacker Repeller, 16 hours of repellent – 4 repellent mats lasting 4 hours each, and 1 water-resistant travel bag. Requires camping gas canister (not included