No spray, no messNo open flame, no smoky candlesScent-free and DEET-freeIntegrated mat storageThermacell's Halo Mini Mosquito Repeller is lightweight and portable enough to take virtually anywhere outdoors, creating a 15ft x 15ft protected mosquito-free zone that stops them before they can bite or bother you.It has a compact design that lets you store the spare mats inside the unit, making it ideal for anyone who likes to enjoy their garden and small enough to take with you when camping or fishing.__