... not use poison bait and pesticide, eg.: flour processing factory, food processing factory, rice factory, pharmaceutical factory, animal feed factory, granary ... bitten by mouse and pests, e.g.: drug-store, haberdashery, food shop, furniture store, etc.it applies to villa, house, room ... /50hz; 5. power: 8 w6. ourtput frequency: 20--55khz micro-multifunction Super pest repeller