specifications:1. the measuring range: - 50c - 110c2. control area: - 50c - 110c3. measurement accuracy: plus or minus 0.2c4. check the accuracy: plus or minus 0.1c5. feedback measurement: ntc10k l = 1 m waterproof probe6.power: 1500wbetween: 7 volts 220v.8.: max 10 bis9. Size: 60x45x30mmhow to use:1. Press the button at the starting temperaturethe time temperature press button light display, press the button set the start or temperature value2.Press the button to show the temperature stoplong press the temperature button the display lights up, press the stop button orthe temperature value3.before, the data will be saved, no need to update when power still on Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store