Intelligent air conditioner partner is the global first intelligent thermostat. It provides secure, practical and convenient intelligent upgrades for traditional air conditioners. AC Device presents a total intelligent user experience, it is easy to use, plug-and-play, remote management, safe and reliable, intelligent sensing, energy saving and environmental friendly. Meanwhile, AC Device business version integrates perfectly with Cloud intelligent business operation platform, which may offer an advanced centralized energy management system and fine business analysis solution. It will effectively enhance user comfort and reduce operating costs greatly. AC Device contains family basic model, family plus model and business model. We also provide different socket and interface modules for clients from different countries.