1.Working Voltage: DC12V10% 2.Current:Standby less than 10mA,Working less than 128mA 3.Working Temperature: -10\'C+60\'C 4.Receiver Frequency: 315MHz 5.Receiving Sensitivity: -105dB 6.Output State: Switching Value 7.Max Load:10A Relay, Resistive load less than 8A,Inductive load less than 3A 8.Receiver Board Size:70*50*18mm 9.Case Size:75 * 55 * 30mm Encoding Type: Learning Code Add transmitter by the Learning Button on the receiver Output State: It is adjusted by the Jumper on the Receiver Board, Momentary -----Jumper on 1 Pin or Take away the Jumper Toggle --------Jumper on "3&4" Latched -------Jumper on "1&2" Momentary -----Press the transmitter button A,the receiver relay A is ON; Release button A ,The receiver relay A is OFF ,The same as B/C/D Toggle --------Press the transmitter button A For 1 time ,the receiver relay A is ON; Press button A again,The receiver relay A is OFF ,The same as B/C/D Latched------ Press transmitter button A,the receiver relay A is ON,the relay B/C/D is OFF Press transmitter button B,the receiver relay B is ON,the relay A/C/D is OFF Press transmitter button C,the receiver relay C is ON,the relay A/B/D is OFF Press transmitter button D,the receiver relay D is ON,the relay A/B/C is OFF It mean ,Latched only can keep 1CH ON,and it will ofen have 1CH is ON Learning Method: Input DC12V Power for the receiver,press the learning button ,Green LED indicator OFF,Then press transmitter ,the LED indicator flash fast,It mean learning successfully. Clearing Code: Keeping press the learning button 8 seconds until the LED indicator ON, It mean the code have been cleared successfully. (2).Transmitter Channel:4CH Remote Control Distance:200-3000m ( Ideal Distance WITHOUT Any Block and Signal Interfere,Could Rise or Fall 10%-90% in Real Situation ) Encode: fixed code 2264 Frequency:315MHZ Size: 70*158*38m Power Supply: DC6V (4 section 5 battery Note that the batteries do not match) Note:only have 315mhz are available ,315mhz will be sent you thank you!! package included: A: 1*receiver 1 *transmitter B: 1* receiver (with cover) 2*transmitter