1. Press and hold the power button for 2 seconds to turn on/off, the system self-checks, the fill light turns on for 6s, and the first 8 display gears on the right side of the synchronous digital tube (the gears display for 3s) will automatically switch to display the temperature after 4s Enter standby mode. 2. The default sensing liquid, the is 0.5s, 1s, 1.5s), and the gear has a memory function. When the liquid is detected by default, the fill light does not need to be turned on. The fill light needs to be turned on. After clicking the light button above, the light will be always on, and then click the light to turn off (when the light is not turned off, the system is set to automatically turn off the light within 3 minutes. ). 3. Short press the power button to increase one gear, and then return to one gear after three gears, and do a . 4. When the digital screen is on, press and hold the light button for 2 seconds to switch between Fahrenheit and Celsius, the default Celsius, with memory function. 5. When the liquid is sensed, the digital tube displays the temperature for 4S. The three grids 6 and 8 are used as power display symbols. When the battery is low at 5%, the leftmost grid on the bright screen flashes at a frequency of 1 second. When charging at power on, use a charging current of 0.8A, the digital tube displays the temperature, and the power scrolls from left to right. When the battery is fully , the temperature and power display icons are always on. When the battery is turned off and charging, the digital tube only displays the power , and the power is scrolling from left to right, and it is always on when fully . Gears: 1st gear (0.5s), 2nd gear (1s), 3rd gear (1.5s) 285ML use : 1st gear (400 ), 2ndgear (200 ), 3rd gear (130 ) Fill light duration: 3 minutes a single time Colour:White Material:plastic Size:15 x 18 x 9cm Package Contents: 1 x 1 x Charging cable 1 x Chinese and English instructions 1 x Backplane adhesive Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.