This instrument is a portable digital thermometer. It has stable performance, high precision, low power consumption, novel structure. Safe and reliable, it's an ideal measuring instrument for the majority of users. Method of use: 1. K type thermocouple is inserted into the thermocouple jack. 2. The sliding switch sliding to ℃ or ℉. 3. The thermocouple probe in contact with the measured object. 4. Then read the results from the display. 5. If the display value is less than 200, you can choose to display the 0.1 range resolution by pressing the RANGE key. Specifications: Material: ABS Thermocouple Type: K Power Supply: 2 * 1.5V AAA (Not included) Sampling rate: About 2 times/second Display: 3 1/2 bit LCD Measurement Range: - 50℃ - 750℃ / - 58℉ - 1382℉ Length: 1m (with a plug) Working environment: 0 - 40℃, less 80% RH Storage environment: - 10 - 60℃, less than 70% RH Item weight: 93g Item size: 12.5 x 6 x 2.5 cm / 4.91 x 2.36 x 0.98 in Package weight: 157g Package size: 15*9*3.5cm/5.90*3.54*1.37in Note: Item color may show sight aberration due to different shooting light and monitor display. Packing list: 1 * PM6501 Digital Thermometer 1 * Temperature Probe 1 * English User Manual 1 * PU Leather Bag