I have seven of these and a few of them have a broken mount. This does not affect the operation. If purchased you may get one of these. (See pics). Price is per unit, NOT for all seven.

Ensure optimal temperature control for your indoor gardening with the VIVOSUN Digital Heat Mat Thermostat. This controller is designed to regulate the heat efficiently, allowing for a stable and nurturing environment for your plants. With a broad adjustable range of 40 to 108 ºF, it's versatile for a variety of plant species and stages, ensuring precise temperature management.

The device comes as a single unit, is powered by 120V, and includes a user-friendly thermostat for easy operation. It's a must-have for hydroponic and cloning setups, making it an essential tool for garden enthusiasts looking to enhance their indoor growing conditions.