1 X Receiver2 X Transmitter (Battery include)Remote Control Distance: 100 meter(open/ideal) in theory, 10%-50% in reality(In open environment)Encode: Fixed code, solderingFrequency: 433 mHZChannel: 4 CHPower Supply: DC 12VRelay: DC 12VQuiescent Current: 8mAWork Voltage Range of Relay: AC 110-240V or DC 0-28VSensitivity:-105 dBmOperating Temperature:-40~80Receiver Size: 68x47x17mmControl Mode:1. Toggle/Self-Lock: Press->On; Press again->Offpress one button for one time is working/ON .press the same button again is stop/OFF .(1 channel switch(receiver) need 1 button remote control (transmitter).2. Latched/Inter-Lock: Press->On; Press other button->Offpress one button is working/ON ,press another button is stop/OFF . ( 1 channel switch( receiver) need 2 buttons remote control (transmitter).3. Momentary/Jog: Press and hold->On; Release->OffKeep pressing one button is working /ON. loosen your finger is stop/OFF .1 channel switch(receiver) need 1 button remote control (transmitter )Learn code and Remove Code:1.Learn:Press the learning code . The indicator from 'on' to 'off' , loosen your finger, press any button of the remote control ,the indicator flash 2 times and off .it mean you learn it successfully .it can learn more than 12 PCS 2260/2262 chip with the different code wireless remote control.2.Remove :press the learning button about 8 seconds , the indicator turn on to off , it means the Code had been removed successfully.Package Include:1 X Receiver2 X Transmitter (Battery include)