1. The host can be inserted K/J thermocouple, 4 channels display 2. Switch the / temperature unit 3. Data retention, maximum/minimum value display, 15 minutes no operation automatic shutdown (can be manually cancelled) 4. Can record data download, real-time communication with the computer, display real-time data table 5. Can set the upper and lower alarm values, visual alarm prompt light With ADJ compensation. Host measuring range: K-type probe:-200-1372 (-328-2501) J-type probe:-200-1200 (-328-2192) Standard K-type probe:-50-300 (-58-572) Accuracy: Host:0.2%+0.7; Standard probe error:1.5% Resolution:(-99-999.9) 0.1/; (-100--200 equal 1000) 1/ High alarm:default value 1300, low alarm: default value -200 ADJ Compensation:-9 to 9 probe error range compensation Nuts with bracket:1/4 inch nuts Adoption rate:1 time/second Automatic shutdown:15 minutes (can be manually turned off) Colour:As Shown Material:ABS Package Contents: 1 * Thermocouple Thermometer(4xAA batteries not included) 4 * K-type Probe 1 * Cable 1 * Storage Bag 1 * English instruction manual 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.