TENMARS TM-82N K/J Type Thermometer

Specification:
Temperature Units: °C or °F switchable
Temperature Range:
-Type K : -200°C to 1370°C (-328°F to 2498°F)
-Type J : -200°C to 1050°C (-328°F to 1922°F)
Resolution: 0.1°C and 0.2°F
Accuracy:
±(0.05% + 0.7°C)
±(0.05% + 1.4°F)
Temperature Coefficient:
0.01% of reading + 0.03°C per °C (0.01% of reading + 0.06°F per °F)
when circumstance out of specified range of 18°C to 28°C (64°F to 82°F)
Dimensions: 130mm (L) x 56mm (W) x 38mm (D)
Weight: Approximately 170g (including battery)
Accessories (included)" User manual, 9 volt battery