New, open box Pull tabs are still in 2 out of 3 sensors as shown This Google Nest Temperature Sensor 3 Count Pack is a must-have for any smart home enthusiast. The sensor technology ensures accurate temperature readings, while the wall-mounted design allows for easy installation and convenience. The batteries have a voltage of 3V and use CR2 battery size, making them long-lasting and reliable. The white color and sleek design of the Google Nest Temperature Sensor make it a stylish addition to any home décor. It is compatible with Nest smart home and can be easily integrated with your existing Google Nest ecosystem. Made in China, this programmable thermostat is perfect for heating, cooling, and air applications.