Features: The STC 100A Digital Thermostat delivers precise temperature control from 40°C to 99°C with double cooling and heating modes, ensuring adaptability across diverse environments for stable performances. Featuring a large, digital display for real time monitoring, high low temperature alarms for safety alerts, and energy efficient algorithms to reduce power consumption, this smart controller enhances usability and efficiency. Ideal for homeowners, enthusiasts, and professional managing HVAC systems or refrigeration units, this temperature controller caters to a wide ranges of users seeking easy temperature regulation. Perfect for residential settings like homes and offices, as well as commercial or industrial applications such as greenhouses or server rooms, where accurate climate control is essential for device safety. Constructed from strong ABS component , this digital thermostat offer robust reliability and promotes friendly energy savings through advanced control technology. Specifications: Component : ABS. Dimensions: about 77x34.5x62mm/3x1.4x2.44inch Measuring ranges: -40~99. Power supply electric : 220V. Package Includes: 1xElectronic Digital Display Thermostat note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.