... 8 hz; Super function: 1. It can be used to drives away mouse, mice, and rat etc. 2. ... It can be used to drives away cockroach, spider, flea, bedbug, ant, termite, ... machine. this machine can be used indoor and outdoor, Better be used in room.The ultrasonic that sent ... store, etc.it applies to villa, house, room used air condition, dining-room, storeroom, etc.Main data: ...