PRODUCT SPECS (From Manufacturer) : Manufacturer Model: Sensi Lite ST25U Display: 2.25" backlit LCD screen display Product Dimensions: 5.1" W x 3.1" H x .88" D Bandwidth: 2.4 Ghz Wi-Fi (802.11 a/b/g/n supported) Temperature Range: 45° F to 99° F (set-point), 32° F to 99° F (display) System Type: Universal - Single-Stage, Multi-Stage or Heat Pump Program Style: 7 Day Programmable, Geofencing or Non-Programmable Color: Black In the box: Sensi Lite Smart Thermostat, thermostat base, mounting hardware, installation guide, wire labels, furnace jumper wire (optional for installation) ENERGY STAR certified Product Benefits (From Manufacturer) : Save up to 23% on your heating and cooling costs: save money without compromising your comfort with features like geofencing, flexible scheduling, and remote access. Geofencing: uses your smartphone's location to adjust your thermostat automatically. Remote access: you can set, change, and control from anywhere using Android or iOS devices. It connects with Amazon Alexa, the Google Assistant, Apple HomeKit, Samsung SmartThings, and Wink. Automatic upgrades: as existing features are enhanced, and new features are released, your thermostat software is kept up-to-date automatically Keypad lock-out: keep your perfect settings on lockdown by disabling changes from the thermostat Smart Alerts: smart alerts notify you of extreme temperature or humidity levels. Auto changeover: automatically switches between heating and cooling within the set range. Flexible scheduling: program a schedule for each day of the week. Usage reports: monitor the performance and efficiency of your HVAC system by delivering valuable usage reports, alerts about your equipment, and maintenance reminders like filter replacement. Easy installation: just open the app, follow a few easy steps and installation is a snap. And, unlike other smart thermostats, you won’t need to worry about a c-wire in most systems. Demand response compatible: Sensi’s flexible API allows you to easily integrate into your demand response program. Offering more control and no additional charge for program data.