The Off! Clip On Fan Circulated Mosquito Repellent is a convenient outdoor solution to keep mosquitoes at bay. Powered by 2 AAA batteries, this refillable fan circulated repellent features an EPA registration number of 4822-542. With a 12-hour prevention time, this gray plastic fan is perfect for camping and hiking trips. The clip-on design allows for easy attachment to clothing or equipment, while the odorless feature ensures a pleasant outdoor experience. With a pack of 1, this Off! product is a must-have for any outdoor adventure.