Product DescriptionProbe using original DS18B20 temperature sensor chip The high-quality stainless steel pipe encapsulated waterproof moisture-proof anti-rust Stainless steel housing (6 * 45mm), the leads length of 100cm Each probe is rigorously tested individually wrapped 3.0V ~ 5.5V power supply 9 to 12 adjustable resolution Temperature sensing range of -55 ℃ ~ +125 ℃ No external components, the unique single-bus interface Output leads: red (VCC), yellow (DATA), black (GND)