This product cooperates with two factories: So you get a different appearance from the product link picture, but the usage is the same The product cable uses a fixed range size, if you need to use more than the data range, you can re-solder the new cable you need, if you care, please don't buy it! Item type: Digital temperature controller Model: XH-W3001 Output Type: Direct Output Output capacity:10A max Power Supply: DC12V,DC 24V,AC 220V Load power:120/240/1500W Temperature Measurement Range: -10 C~110 C Temperature Control Range: -10 C~110 C Temperature Control Precision: 0.1-0.2C Input measurement: NTC10K waterproof probe L = 1 meter waterproof How to set 1. Press up button show the starting temperature. 2. Long press UP button the temperature display Flashing , Press the UP or Down button. 3. Set the start temperature value. 4. Press Down button show the Stop temperature. 5. Long press Down button the temperature display Flashing , press the UP or Down. 6. Button Set the stop temperature value Problems / Solutions How to restore the factory default settings?Under the condition of power on, press and hold the up anddown keys for 3 seconds at the same time.After the digitaltube displays 888. Nixie tube display LLL If the digital tube displays LLL,the sensor isout of order. Check the sensor or replace it Nixie tube display HHH If the digital tube shows HHH,indicating thatthe detection temperature exceeds the measurementrange,the service environment can be changed