Feature: Variety of fields ideal application, convenient operation and practical settings, this is your hostess of side temperature control. It is precise and reliable with good long-term stability. Convenient to install and repair. Small size, low power consumption, fast response. Easy operation to set the initial temperature, stop temperature, corrected temperature connector and so on. Suitable for hatching, breeding, air and water temperature control and other related to temperature detection and control. Specifications are optional, precise temperature control, temperature calibration. Specification: Item Type: Digital Temperature Controller Material: plastic Weight: Approx. 51g or 1,8 oz Operating voltage specifications: 12 V, 24 V, 110-220 V Accuracy Level: 0,1 Temperature measurement range:-50-110 () Temperature measurement accuracy:-15-65 () Humidity measurement accuracy: 1 (RH) Temperature measurement error: 1 () Applicable environment: -15-55 or 20 percent -85 percent RH Product embedded hole size: 73 mm or 2,9 inch, hole diameter (φ4 mm) How to use: 1. Press the settings button once to enter the internal menu, the default display is P0, press the settings button again and set the desired initial temperature za using the up and down buttons. 2. Press the setting key once to enter the internal menu, the display is P0, switch to P1 za the up and down keys, press the setting key again, and set the required stop temperature za the up and down keys. 3. Enter the internal menu in this sam way, switch to P2 za with the up and down buttons, press the settings button again and set the required calibration temperature za with the up and down buttons. If the detected value is 1C lower than the actual temperature value, the calibration temperature to be set is 1C. Detection temperature Correction temperature Actual temperature. ) 4. Enter the internal menu in this sam way, switch to P3, pressing the up and down buttons, press the settings button again and set the desired delay time za using the up and down buttons in minutes. If it is used for refrigerators and freezers, you should set this value. According to the compressor back pressure, the overall setting value is 3-6 minutes. If it is not used for control or you do not need the delay function, just skip it. Temperature control mode 1. Basics of Settings: Starting temperature stop temperature. 2. Press the settings button to enter the internal menu, select P0 to start changing the temperature and set the value of P0 to 30C. 3. Press the settings key to enter the internal menu, select P1 to stop the temperature and set the P1 value to 26 . List of packages: 1 x Temperature Controller Press and hold the up and down keys at the same time, wait for 888 to appear on the screen to factory reset. The screen displays the LLL, indicating that the temperature probe is not connected, disconnected or damaged, simply replace it. The display on the HHH screen indicates that the temperature probe is compact and exceeds the temperature detection range.