Help keep mosquitoes out of your summer sanctuary. OFF! Mosquito Repellent Lamp protects you for up to 6 hours from mosquitoes. Simply by lighting the candle, the mosquito repellent lamp releases an airborne repellent that covers an area of 100 square feet. This outdoor mosquito repellent provides a zone of in-the-moment protection, while also creating a special ambiance with a gentle glow. Reusable and refillable, you can take this mosquito-repellent lantern with you wherever you want protection. Please use according to usage instructions.