Detail: 
• This infrared remote circuit can be easily used for 2 electrical home appliances (300W maximum) controlling independently. 
• Power supply : 12V.
• Recommended housing : FB10 for RX (receiver), FB17 for TX (transmitter)
• PCB dimensions : 4.1” X 2.1” for RX (receiver) , 1.6” X 2.8” for TX (transmitter)