Features 1. Application: The thermostat can be widely used in temperature control systems such as vegetable greenhouses, living water tanks, aquariums, and aquaculture to control the temperature. 2. Precision: Made of high-precision electronic components, the temperature controller has PID self-identification function, high sensitivity, rapid response and accurate measurement. 3. Flexible: With a clear screen display, it is convenient to directly view and record data, the thermostat has better readability, and it is easy to adjust and control the machine equipment. 4. Use: Standard manufacture, the mounting hole size of REX-C100FK02-M*AN thermostat is 45 x 45mm/1.77 x 1.77in, which is easy to install and disassemble, with firm connection and stable operation. 5. High quality: solid structure, wear-resistant and durable, the temperature measurement range of the thermostat is 0-400 ℃, which is suitable for a variety of environmental operations. Specification: Condition: 100% Brand New Model: REX-C100FK02-M*AN With PID self-identification function Input Signal: K-type Thermocouple Temperature range: 0-400℃ With PID self-identification function output: relay contact output (relay) Alarm function: No Weight: Approx. 146g / 5.1oz Mounting Hole Size: 45 x 45mm/1.77 x 1.77in Product Size: Approx. 85 x 48mm / 3.35 x 1.89in   Package List: 1 x Temperature Controller Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List