You will get 2 pieces of ultrasonic pest repellent night lights, which emit ultrasonic waves to stimulate the pest's hearing and nervous system to keep them away from your home Reliable and Safe: this mosquito repellent will not harm you, your children and pets Easy to Use: just plug the mosquito ultrasonic repellent into the socket to use, press the switch, the repellent will turn on the night light and repellent at the same time, press the switch twice, the light will turn off, only the repellent will be turned on Smart Induction Lighting: bug repellent is designed with smart induction lights, when the mosquito repellent device is on, the night light will automatically turn on when the surrounding light is dark, and the night light will automatically turn off when the surrounding light is bright Appropriate Size: the ultrasonic insect repeller measures approx. 4.33 x 1.77 x 1.77 inches; You can use it to repel pests, such as cockroaches, spiders, mosquitoes, ants and more