Untested but I have been able put batteries in and switch it on.

This is why I’m selling as parts only.

The Center RF Wireless 7-Day 5/2 Day Programmable Room Thermostat in White is a sleek and efficient device designed for controlling heating systems in various settings. Its programmable features allow for customization of temperature settings for different days of the week, providing energy savings and comfort. With a battery-powered source, this rectangular-shaped thermostat can be easily wall-mounted or surface-mounted, making it versatile for use with wall heaters, central heating radiators, underfloor heating, and space heaters. Its compatibility with AA batteries ensures convenient operation without the need for frequent replacements.