Perle Rare - Ultrasonic Insect Repellent, 6 Pack Ultrasonic Rat, Ultrasonic Rat Flies, Mosquitoes, Pests, Spiders, Cockroaches, Safe and Non-Toxic

Intelligent Technology: This ultrasonic mouse repeller emits ultrasonic waves of different frequencies (25kHz-65kHz) to stimulate the nervous system of insects and mice, making them feel uncomfortable and gradually running away. Intermittent changes in ultrasonic frequencies prevent them from developing immunity and adaptation. Large Coverage Area: Each ultrasonic insect repellent can cover up to 120 square meters. It is recommended to install the hammer vertically 20-80cm above the floor. For best results, equip each room with insect repellent. Safe and environmentally friendly mosquito repellent control: non-toxic, chemical-free, radiation-free, low power consumption, noise-free , 100% safe for humans and pets, you will say goodbye to mousetraps, mosquitoes, mousepads, harmful poisons, insecticides and more, no batteries will save you a lot of money and offer you a 100% safe and eco-friendly home. Super Quiet and Effective Mosquito Repeller: Ultrasonic Mosquito Repeller uses low