TECHNOLOGY & DETAILS: Creates a 15-foot zone of mosquito protection around you Works fast, max protection in 15 minutes Ideal for backyard, poolside, patio and beyond Consistent repellent protection, doesn't weaken over time Easy to use, people and pet friendly 100% satisfaction guaranteed Proprietary formula precisely targets mosquito sensons, driving them away For outdoor use only Pack includes 1 repeller and 12 hours of repellent refill