Thetheory:
Mini Ultrasonic Mosquito Repeller adoptshigh-tech,using ultrasonic principle to repel mosquito,make the pest feel uncomfortable anddrive mosquitos away.      

Applicability:
Mini Ultrasonic Mosquito Repeller :Home andapartments,food service,Businesses,Farms and so on.They keep anarea of up 30 square meter free frommosquitoes  

Features:
1.only effective with mosquito, does notinterfere with the operation of radio,televison or other electronicequipment
2.Steadyperformance and fast returns.If you continue used 5-7 days willrepel all mosquitoes indoor.
3. Cabinet and exquisite, cute appearance likeour human eyes  

Method:
1.Plug unit into socket of 220V/110V ACwall outlet.
2.When thepower is connected , the LED pilot lamp will light up indicatingthat your Ultrasonic Mosquito Repeller is workingproperly
3.When it isworking ,very faint sound waves will beissued      

Attention:
1.The environment have longtime nobody stay, pls pull out the plug   
2.That product is not waterproof,please do notused in damp environment.
3.Do not closed your ear to themachine,so as to avoid hearing demage.