1,PIR universal remote control switch 2,learning home appliance remote signal 3,good for air conditioner etc. 4,energy-saving Features:Capable of learning home appliance Infrared Remote Control’s On/Off signals. When the room is unoccupied for 15 to 30 minutes (to be set as per the user’s requirements), automatically turn of home appliances such as air conditioners, TVs, fans, etc. PIR sensing ...