The DynaShield® mosquito repellent is a battery-powered, light-weight device that protects your outdoor space from mosquitoes while contributing to your outdoor decor. Using a blend of natural essential oils, DynaShield® gently fills the air with a pleasant summer scent that keeps mosquitoes away. Safe to use around pets and children when used as directed, this device can protect your family from mosquitoes continuously for up to 45 hr with a single set of batteries. The moss green finish and LED light allows this sleek device to blend seamlessly with your outdoor oasis. The DynaShield® mosquito repellent device can be placed anywhere in your yard where people are gathering. By using natural essential oils including lemongrass, spearmint and rosemary, the device repels mosquitoes from the area. Plus, you'll enjoy a natural and pleasant summer aroma. You can also combine devices by placing them 20 ft apart to maximize your protection area.