Receiver (switch) Channel: 1CH MAX Working Voltage : 220V Max load power:3000W Max load current : 30A (have better lower than 70%) Working Frequency : 315 MHZ or 433 MHZ (optional)315/433MHz can be choose,If there is no requirement. wewill send 315 MHZ Working temperature : -10'C - +60'C Output way : Jog .Inter-lock .Self -lock is Adjustable Code type :Learning code size :110*55*45mm working/output way Jog/Non-Latched: press one button is working /ON. loosen your finger on the same button is stop/OFF .one channel switch need one buttons remote control Self -lock/Self-Latched: press one button for one time is working/ON .press the same button again is stop/OFF .(one channel switch need one buttons remote control ) Inter-lock /Latched : press one button is working/ON ,press another button is stop/OFF . ( one channel switch need 2 buttons remote control) Learning method Input AC 220V for the Receiver. press the Learning Button until the Led indicator ON. Then press transmitter , the Led indicator flash fast, it mean learning successfully. Clearing Code: Keeping press the learning Button on the receiver until the Led indicator ON and flash fast, it mean the code have been cleared successfully. Remote control (transmitter) Operating Voltage: DC12V Operating Current: 30MA Operating Frequency: 315/433MHz Frequency Distance: 20M-1000M (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 included: A: 4*receiver 1* transmitter ( included battery) B: 4*receiver 1* transmitter ( included battery) C: 1* transmitter ( included battery) D: 1*receiver