Instant reading thermometer DT1 To prepare a meal for family and friends and not have to worry about it being overcooked or undercooked Therefore, proper temperature monitoring is essential Instant read thermometer creates a thermometer more precise and faster for you and will be of great help when cooking Note: Make sure the ice water is the coldest and the probe is touching the ice Otherwise, you might get an ERR message because the temperature is not at the freezing point 1 x food thermometer 1 x Battery Cover Opener 1 x CR2032 battery 1 x temperature guide 1 x manual The thermometer has a calibration function and you can calibrate to extend its life How to calibrate: Prepare a cup of ice water (ice and top it up with water), insert the probe into and make sure the probe touches the ice under the water When the temperature reading reaches a stable temperature, press and hold Hold for 5 seconds Then the display will flash CALL and the temperature reading will flash Use the ON / OFF key to increase or the HOLD key to decrease until reaching 0 C or 32 F When it displays PASS, the calibration is finished -Response time: 3-5 seconds -Backlit display, easy to read at night -Measuring range: 58 ~ 572 F (-50 ~ 300 C) -Food grade ABS plastic housing and stainless steel probe & lt; / span & gt; Auto power off time: 10 minutes without use & lt; / span & gt; -Calibration feature adjusts and returns your instant read thermometer to the correct accuracy, making it a purchase that lasts a lifetime