This repeller should be installed at 20~80 centimeter away from the floor, and should be vertical to the floor and plug to the power shocket.
The installing point should be avoided from carpet, curtain etc attaching sound material, or else decrease of the sound pressure will do harm on the pest effect.
It is normal that the mouse and pests will increase at the beginning of the using days because they will get away from their living place after the attack of the ultrosonic.
This repeller can be plug directly at AV power socket. (Power range: AC90V~250V, Frequency: 50~60Hz)
Caution: moisture proof, waterproot.
Don't clean the repeller by strong impregnant, water or damp cloth. Use dry and soft cloth with some nevter wash to clean the repeller.
Don't drop the repeller and make strong striking on it.
Using environment temperature: 0~40 centi degree
To increase the effect, you should use several sets of repeller at the warehouse or good pile-up, several rooms.

Technic Parameter
Product Model: KD-28A
Srevice Voltage: AC 90~250V
Power: 8W
Output Frequency: 20kHz~55kHz
Effective cover range: more than 150 squaremeter (open field)

Color: white
Dimension: 100*85*38mm
Weight: 78g

Package dimension: 202*143*66mm
Package weight: 130g