Details about NTC Thermistor Accuracy Temperature Sensor 10K 1% B=3435 Waterproof Probe 1.5m Stainless steel sheath and waterproof.(do not suggest used in water for a long time) Measurement range: -40 to 120 ¡ãC Length of wire: 1 meter Size of probe: 4 x 25 mm Type: NTC 10k¡À1% Measure environmental temperatures using arduino ADC and this 10k NTC LINK B-constant : 3435K -/+ 1% Typical Dissipation Constant 5mW/ ¡ãC Probe insulation: >100MOhm Packing include: 1* NTC Temperature Sensor