Stainless steel sheath and waterproof Measurement range: -20 to 105 °C Length of wire: 1 meter Size of probe: 5 x 25 mm Output: 2 wires Type: NTC 10k±1% 3950 measure environmental temperatures using arduino ADC and this 10k NTC LINK Resistance to temperature conversion table LINK B-constant : 3950K-/+ 1% Typical Dissipation Constant 5mW/ °C Probe insulation: >100MOhm Peak Voltage sustain time: 2 seconds, AC1800V 1mA 2 seconds Package Included:1 x NTC 10K 1% Temperature Temp Sensor Probe Thermometer Waterproof cable