About This One :MEISAIL S10B Digital Temperature Controller is a versatile thermostat with dual relay output, ideal for controlling temperature in various settings such as greenhouses, home brewing, and fermentation. Two: This temperature controller offers precise temperature control, with a dual display window for easy monitoring and settings adjustment. The buzzer alarm feature alerts users of temperature fluctuations. Three:With a maximum output load of 1100W at 110V, the MEISAIL S10B temperature controller a powerful yet user-friendly temperature controller that supports both heating and cooling applications. Four: The plug-in design of this digital temperature controller makes it easy to set up and use, providing a reliable solution for maintaining consistent temperatures in your environment. Five:Upgrade your temperature control system with the MEISAIL S10B Digital Temperature Controller, a reliable and efficient tool for managing Overview Brand : MEISAIL Product Dimensions : 1.1"D x 2.5"W x 4.68"H Controller Type : Control4 Special Feature : Audible Alert Color : Black