HAKKO 9V Tip Thermometer
73 in.Soldering Iron Tester, Power Source Battery, Testing Functions Tip Temperature, Display Units of Measure Celsius, Fahrenheit, Tip to Ground Resistance Accuracy +/-3 Degrees C, +/-6 Degrees F, Tip to Ground Resistance Resolution 0-40 Degrees C (32-104 Degrees F), Thermocouple Type Type K (CA), Product Type Tip Thermometer, Operating Voltage 9V, Features Thermometer Design for Right or Left Handed Operators, Thermometer Auto Shut-Off After Three Minutes, Overall Depth 1.