Download instructions for use: 1 Usage environment: The smart air conditioner needs to be connected to the power supply, the air conditioner can be connected to the smart service through the cooperation of a smartphone a wireless router; 2 Operation steps: Step 1: Connect the 4-wire 4-hole plug/connect the 4-pin socket of the air conditioner indoor unit (open the front panel of the indoor unit there is a reserved 4-pin socket, it must be turned off before plugging in the module) Step 2: Use the QR code on the mobile phone scan module to download the APP Step 3: Open the successfully downloaded APP click Network Settings to configure network access; Step 4: Register a user name click to add WiFi intelligent control module Step 5: To add equipment, scan the barcode on the indoor unit follow the pop-up interface prompts to connect the air conditioner to the network; this step cannot be wrong (many buyers scan the barcode on the module/useless) For detailed operating instructions, please view the novice tutorial in the APP Smart air conditioners other than Kelon Hisense cannot be used Most smart air conditioner panels are marked with a WiFi logo Or before taking pictures, open the panel see if there is a 4-hole or 4-pin connector inside If there is no reserved 4-hole or 4-pin connector, the air conditioner is not smart/cannot be used