1. Suitable for coded infrared remote control household appliances;
2. Can remotely control multiple household appliances;
3. It has a learning/control multiplexing key, 5~10 device selection keys, and 10~20 function control keys. A device selection key and each function control key jointly realize the control of a device;
4. A device selection key and various function control keys can be used to learn and control the common functions of multiple devices;
5. Low cost and strong anti-interference ability.