BALRAMA 5 Digits Display -50 °C to +1300 °C Two Way External K-Type Sensor Temperature Probe Dual 2 Channel Thermocouple Sensor for High Temperature Measurements with LCD Display + Higher Resolution (up to 0.1 °C / 0.1 °F) + Higher Accuracy (up to ±0.1 °C) Professional 6802 II Digital Thermometer  (Black, Dark Yellow)

Features: Data Hold function mode Maximum (MAX), Minimum (MIN) and Average Temperature Measurement (AVG) 2 channel temperature measurement (T1 & T2) Differential Temperature Measurement (T1 - T2) Extra 2 pieces of Metal Temperature Probes Switchable between °C, °F & K Displays the temperature difference between two inputs Auto power shut off Self-calibrating function and factory restore function Specifications: Temperature range: -50 ~ 1300 °C (-58 ~ 2372 °F) Accuracy: ±0.1 °C ± 0.4 Operating Temperature: 0 ~ 40 °C (32 ~ 104 °F) Operating Humidity: 0 ~ 70 % (R.H.) Input protection: 60V DC or 24V AC maximum input voltage on any combination input pins Reading rate: 2.5 times per second Input connector: accept standard miniature thermocouple connectors Battery: standard 9V battery Note: The thermometer itself can sensor 1300°C, but the 2 test probes can only test the temperature up to 250°C, so if you need to test more than 250°C, please change these two probes. Package: 1 x Digital thermometer 2 x Test probe 1 x English user manual