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: 2 x Thermocouple Thermometer(4xAA batteries not included) 8 x K-type Probe 2 x Cable 2 x Storage Bag 2 x 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.