Features 1、High measure accuracy. Due to thermocouple sensor direct contact the object, don't affective with the media. 2、Easy to use, no limitation of the size and opening. 3、The measured unit can be selected (℃ or ℉). 4、Data storage with Maximum and Minimum and Average. 5、User-friendly front panel design, easy for operation. Specification Features: High measure accuracy. Due to thermocouple sensor direct contact the object, don't affective with the media. Easy to use, no limitation of the size and opening. The measured unit can be selected (℃ or ℉). Data storage with Maximum and Minimum and Average. User-friendly front panel design, easy for operation. Large LCD display with back Light, show measurement reading and thermo-coupler type at the same time. Measure with K type thermo-coupler. Electronic temperature compensation system to compensation the error for different thermocouple sensor, can achieve the maximum accuracy of this unit. Specification: Condition: 100% brand new Brand: SMART SENSOR Model: AS857A Main unit AS857A Thermometer: Measure range K-type: -200℃ to 70℃, (-328℉ to 1292℉) Resolution: 0.1℃/℉ Accuracy : 0~100℃: +/-1.5℃; over 100℃: +/-2% Input port: Single channel input Operation temperature: 0℃ to 50℃ Storage temperature: -10℃ to 50℃ Operation Humidity: 20-90% Power Supply: 3*1.5V AAA Battery (NOT included) Dimension: 50 * 25 * 131mm / 2 * 1 * 5.2in Weight: 120g/4.2oz K Type thermo-couple sensor: (Included in this package) Temperature range: -50℃ to +300℃ Accuracy: +/-1.5% (if measure temperature over 300℃, user must insert a high temperature type thermo-coupler) Package List: 1 x Digital Temperature Meter 1 x K-type Thermocouple 1 x User Manual Package List