Thermistor Thermometer, Temp. Range (F) -40 Degrees To 300 Degrees F, Temp. Range (C) -40 Degrees To 150 Degrees C, Temp. Accuracy +/-0.3 Degrees F Or +/-0.5 Percent Of Reading, Display Lcd, Probe Connector 1/8 In. Phono Plug, Resolution 0.1 Degrees F, Features Measures Up To Three Temperatures Plus T1-T2-T3 Differential, Auto Power Off Yes, Battery Type 9V, Standards Iso 17025 A2La Accredited Calibration Laboratory, Fda Calibration Certificate