Sonic Guard Ultrasonic Pest Repeller 2 Pack W: 75mm, H: 84mm, D: 43mm SKU: 166432 MODEL: 031300 Error. try again later You've successfully joined the club $ 37 .47 pack of 2 Mitre 10 MSAvailable at Mitre 10 MEGA and selected Mitre 10 stores. Variants For use against mice, rats, spiders and ants in the home or office. Safe for cats and dogs. Features and benefits Just plug it in. Broadcasts powerful ultrasonic sound waves. Not audible to humans. No poisons. No insecticides. No traps. No mess.