The 4 Pack STEM Repels Mosquitoes + Ticks Mosquito Repellent Spray with Picaridin is a powerful outdoor insect repellent designed to provide 8 hours of protection against mosquitoes and ticks. This aerosol spray is ideal for camping and hiking adventures, offering a convenient and effective way to keep pests at bay. With the EPA registration number 4822-564, this spray is formulated specifically for outdoor use, making it an essential addition to your outdoor survival gear.