OFF! Lamp I protects you for up to 6 hours from mosquitoes. Keep living life your way and enjoy an outdoor occasion with friends, without worrying about pesky, biting mosquitoes. Simply by lighting the candle, the lamp releases an airborne resistant that covers an area of 10 ft x 10 ft (Hundred sq ft). Keep out of reach of children and pets. See the label for other precautions and usage directions.