This machine should be installed 20~30cm centimeter away from the floor and should be vertical to the floor and plug to the outlet.
The installing point should be avoided to be in the back of the curtain, fridge, and any other furniture that deterring or attaching frequency.
Within 1 meter shall not have a large obstacle (that is not installed in the refrigerator, wardrobe, sofa and other objects on the back).
It's normal that the mouse and vermin will increase at the beginning of the using days because they are getting away from the living place after the attack of the ultrasonic. Usually, it could take 3~4 weeks to notice results.
To increase the effect, you should use the several devices at the warehouse or several rooms.

• Repels Bugs, Ants, Mice, Cockroaches, Mosquitoes, Spiders, Rats, and More • Non-toxic& Environment-friendly • Standard Wall Plug-In • Ultrasonic Frequency:20~55KHZ • Power Source: AC90~220(V) • Power: 5-6W • Color: White • Material: ABS Plug Type: US Plug/EU Plug/UK plug • Power Supply: AC 90V-250V, 50-60Hz • Ultrasonic Frequency: 22-65KHz • Effective Range: 80-120 Square Meters • Working Temperature: 0-40C

1-2 days delivery to Colombo & suburbs
2-4 days delivery Island wide
14 days easy return
Change of mind is not applicable as a Return Reason for this product due to one or more of the following reasons:

• Not applicable for overseas seller
• Digital goods such as mobile top up cards
• All grocery categories
• All swimwear and underwear
• All products shipped from overseas
• All products delivered by seller after signing the delivery slip

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.