wireless mobile phone or telephone remote control switch

Product Description

How to use  
1. install the telephone wire to the switch ,and the wire can be parallel connected with wire of telephone itself .    
2. the *2v power .call the telephone ,and 7 times no people answer it , the receiver would turn to work on itself .    
3. and then put into
4 orignal password ****8.  
press 1 the first channel would be open ,and press 2 the first channel close ,press 3 the second channel would be open ,press 4 the second channel would be close .    change your pass word :press * 4 news password and press *to confirm it .when power is off it will turn back to the orignal password .   #is hang up .   you just need to add one more telephone wire and it can share the same number with your telephone number and it won't affact the function of your telephone      

1. You can remote control any kind of appliances and electronics€™ switch on or off in your house anytime in any place, such as: water heater, light , electric cooker,induction cooker , electric curtain, electric (switch) locketc.  
2. It can degrade your appliances€™ power consumption effectually, so it made you spend less.  
3. When no one in your home, you can turn on or off your appliances by mobile phone switch in time. It can prevent accidents and against the thieves effectively.  
4. Mobile phone remote control switch not only can apply to house but also it is suitable for industrial electricalequipment.   It can increase working efficiency, reduce risk factor, and eliminate safety concerns 
  It is easy to operate and use, however, it moderate in price.  
voltage : *2V  
Size :*8**8**0