Note: No obstacles or cover for the signal, it will cause unstable. IBS-P02R WIFI Version ( Only 2.4Ghz Network) The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. Step1: Connect and pair the IBS-M2 gateway through the 2.4Ghz network with APP INKBIRD Step2: Connect IBS-P02R-O(the transmitter)to the IBS-M2 via INKBIRD APP(Only2.4Ghz) Connect IBS-P02R-O(the transmitter)to the IBS-M2 via INKBIRD APP(2.4Ghz Only) The product supports iOS 10.0 or higher/Android 4.4 or higher. Connect and pair the IBS-M2 gateway through the 2.4Ghz network with APP INKBIRD IBS-M2 cannot connect to the INKBIRD APP Connect and pair the IBS-M2 gateway through the 2.4Ghz network with APP INKBIRD Pool thermometer fails to connect and display The devices are too far apart or the pool thermometer is not paired with IBS-M2 gateway If there is a problem with a product Check the manual for troubleshooting, or follow the user manual.