RF wireless remote control system Receiver (switch) Working Voltage : 220VOutput Current : 10AWorking Frequency : 315MHZ/433MZH( Frequency can be customized)Receiver sensitivity: : -105DbWorking temperature : -10\'C - +60\'COutput way : Jog .Inter-lock .Self -lockCode type :Learning codeSwitch size :94*46*27 mm please notice that here is in set ， we have made it work together before we ship to you ， so you don\'t have to care about what frequency are they .only someone who buy the receiver or transmitter alone ，he must care about the frequency to match . working/output wayJog: press one button is working /ON. loosen your finger on the same button is stop/OFF .one channel switch(receiver) need one buttons remote control (transmitter )Self -lock: press one button for one time is working/ON .press the same button again is stop/OFF .(one channel switch(receiver) need one buttons remote control (transmitter)Inter-lock : press one button is working/ON ，press another button is stop/OFF . ( one channel switch( receiver )need 2 buttons remote control (transmitter ) Learning Method: Press the learning button3 seconds， the indicator light off .then you press any buttons of the remote control to transmite signal . it means studying successfully when the indicator flash 3 times until the indicator light on.Remove code: press the learning button about 8 seconds ， the indicator turn on to off to on ， it means the information that you keep have been removed successfully . Remote control (transmitter)Remote Control:Operating Voltage: DC12VOperating Current: 30MAOperating Frequency: 315/433MHzFrequency Distance: 20-200M(please notice that is the ideal distance without any block and signal interfere ， it would rise and fall about 10%-50% with the block and signal interference ). package include: 2* Transmitter (battery include)1* Receiver