About This Core Functionality: The CWIREADPTR8001/E acts as a C-wire adapter, engineered specifically for smart thermostats without a C-wire (common wire). It converts G and Y wires into C and K wires, delivering stable power to C-wireless smart thermostats and resolving their power supply issues Device Compatibility: The CWIREADPTR8001/E is fully compatible with select Honeywell smart thermostat models, serving as an excellent C-wire alternative. It can also be used as a replacement for next-gen C-wire power adapters for other C-wireless smart thermostats Easy Installation: Follow the step-by-step guide for the CWIREADPTR8001/E: power off, label wires, and connect the adapter to the HVAC system. The process is straightforward—even users unfamiliar with thermostat wiring can easily install this adapter to upgrade their C-wireless thermostat to smart functionality Wide Application Scenarios: The CWIREADPTR8001/E works with various Wi-Fi thermostats lacking a C-wire (e.g., C-wireless smart Wi-Fi thermostats) across major brands. It is a key accessory enabling full operation of C-wireless smart thermostats Technical Value: As a C-wire power adapter, the CWIREADPTR8001/E functions as an interface between the thermostat and HVAC system. Via wire conversion technology, it allows traditional C-wireless thermostat wiring to meet smart thermostats’ power needs—making it a practical technical accessory for the C-wireless smart thermostat era Overview Brand : YABUYALI Model Name : CWIREADPTR8001/E Controller Type : Push Button Special Feature : Portable Color : White