?Multiple Appliance?The plug in digital thermostat helps you achieve precise temperature control and can be used in scenarios such as greenhouse cultivation, aquaculture, refrigeration, and brewing. Additionally, digital thermostat even comes with a waterproof sensor, making it suitable for use in fish tanks, thus offering a wide range of applications. ?Safe to Use?Bonlux plug in digital thermostat is extremely easy to use, simply plug and play. Made with safe PC flame-retardant materials and secure sockets, sturdy and durable, providing a safe and reliable user experience. ?Multi-Function Mode?There are 4 modes, featuring cycle timing and countdown on/off mode. F01: Cyclic timing mode; F02: Count down ON mode; F03: Count down OFF mode; F04: Count down ON Count down OFF mode. The usage is simple and convenient. ?Timing Function?Bonlux plug in digital thermostat features a timing function, automating your daily tasks, cyclic timing, and accurate temperature control. ?Heating and Cooling Function?Bonlux plug in digital thermostat has both heating and cooling capabilities, making it suitable for various applications such as greenhouse, refrigerator, homebrew, and aquarium.