PROFESSIONAL RELIABILITY AND RESULTS: Regulates and maintains your preferred temperature within a control range of 40–108 ºF（ Temperature display range is 32 -210°F）; perfect for professional horticulturalists or the budding grower. Comes with a sensor probe so you can reliably track the temperature of your plant’s roots | HIGH-QUALITY CONSTRUCTION: With an easy-to-grip hexagonal shape and made of an extra-fortified plastic, components will not rust or malfunction under tough conditions | ZERO-EFFORT SET UP & OPERATION: The controller comes with a manual but you won’t need to read it! Using just 3 buttons, you can set a temperature or change the display between Fahrenheit/Celsius in seconds | USE, HANG, FORGET: Our controller comes with a hanging tab and wall mount along with a convenient angled socket to keep cords untangled and neat. Guaranteed to keep your growing operation perfectly balanced, as all things should be | COMPATABILITY & SAFETY GUARANTEED: Compatible with any heat mat and ready to plug in to North American outlets. VIVOSUN always stands behind its products and cares for you—if you have any questions or concerns contact our friendly customer service staff