The Google Nest Smart Programmable Wi-Fi Thermostat is a 7-day programmable thermostat designed for home use. It can be powered by corded electric or batteries, with a 2020 manufacturing year. Compatible with Google Home/Assistant and Amazon Alexa, it features Bluetooth and Wi-Fi connectivity for convenient app control. The thermostat has a round shape, wall-mounted installation, and sensor technology for temperature, humidity, and ambient light. The display size is 2.4 inches, and it supports 24V voltage for efficient operation.