Backpacker Mosquito Repeller 2.0 to keep love for the great outdoors alive. Lightweight and portable, the mess-free, DEET-free Backpacker Repeller turns campsites into a 15-ft zone off limits to pesky mosquitoes. Turn it on Mosquitoes Gone. The fuel-efficient unit runs up to 360 hrs on a 16 oz fuel canister (not included). Mats last 4 hours each. In just minutes of operation, the repeller transforms 225 sq. ft. of fresh air from biting misery to true majesty. Easy to pack and use, this repeller is the perfect mosquito solution to any on-the-go adventurer. TIPS: Only use pressurized self-sealing (iso)butane and propane fuel mix, never use 100% propane or refilled canisters, and only use canisters with valves designed to the EN417 specification. Other canisters may not provide proper fuel flow.Specifications and Features: Compact and Convenient Small but powerful mosquito repeller takes up minimal space in pack; essential camping gear that runs on a camping/backpacking fuel canister (not included) Lightweight and Dependable Provides an effective mosquito solution that does not slow down any outdoor adventure; carry on backpacking adventures for peace of mind from mosquitoes No Chemicals on Skin or Clothes Powerful scent free repellent evaluated by the EPA for safety, eliminates the need for coils, sticky sprays, messy lotions, head nets, and clothing treatments Heat-Activated and Scent-Free Uses odorless mats that provide 4 hours of comfort within a 15-foot zone of protection; mat visibly turns from blue to white when time to replace