Brand: Invenitiah FurnishingsModel Name Smart Wifi Thermostat for Home with App ControlItem Dimensions: LxWxH 4.7 x 2.5 x 1.2 inchesController Type Google Assistant, Amazon AlexaColor: BlackNot compatible with high voltage systems. Check compatibility guide on Website. Easy DIY installation: Step-by-step guided installation in the Invenitiah Furnishings app (less than 30 min). Work with 90% home systems, C-wire adapter included for home without C-wire; Check your heating & cooling system compatibility on the Invenitiah Furnishings website with the Invenitiah Furnishings Thermostat Compatibility Checker.Control from the app: You can control the temperature from your phone no matter where you are, or turn it off when you are away; Keep pets comfortable and prevent frozen plumbing; Share the control with guests and family through the Invenitiah Furnishings app.Works with voice assistants: Adjust the thermostat with your voice by asking Alexa or Google assistant. Automatically turns on and off based on the built-in motion sensor and phone location to save energy.7-Day scheduling: Create schedules for Home, Sleep, and Away for every day so you don"™t have to keep going back and forth to your thermostat.Usage tracking with insights: Like an energy-saving gnome inside your phone, the Invenitiah Furnishings app will recommend actionable insights based on your usage to help reduce wasted energy.This pre-owned or refurbished product has been professionally inspected and tested to work and look like new. How a product becomes part of Amazon Renewed, your destination for pre-owned, refurbished products: A customer buys a new product and returns it or trades it in for a newer or different model. That product is inspected and tested to work and look like new by Amazon-qualified suppliers. Then, the product is sold as an Amazon Renewed product on Amazon. If not satisfied with the purchase, renewed products are eligible for replacement or refund under the Amazon Renewed Guarantee.