Verified Post by Mariam Glenn Published on 02 Sep, 2021
KKONE Ultrasonic Pest Repeller 4 Packs, 2021 Upgraded Pest Control Reject Devices Electronic Plug in Repellent Defender Home Indoor for Rat Mosquito Mice Spider Ant Roaches Bugs Flea Insect
Plugged in quickly sound/light volume on the side which is on and off. I have different brand plugged in before. I got these do to it kills fleas. These are all preventive measures.