Check the listing for details. DS18B20 Temperature Sensor Waterproof Digital Thermal Probe 2M 10 Pcs. Condition: New. Listed at 34.39 USD. Specification:Power Supply: 3.0V - 5.5VLead Length: 2M / 78.74"Housing Size: 6mm x 50mm / 0.24 x 2" (D*L)Temperature Sensing Range: -55 ℃ ~ +125 ℃Material: Stainless Steel, PlasticPackage Included: 10 x DS18B20 Temperature Sensor Description:1. Probe using DS18B20 temperature sensor chip. 3.0V ~ 5.5V power supply 9 to 12 adjustable resolution.2. Stainless steel pipe encapsulated waterproof moisture-proof anti-rust Stainless steel housing (6mmx50mm).3. No external components, the unique single-bus interface. Output leads: red (VCC), yellow (DATA), black (GND).4. Each probe is rigorously tested individually wrapped. Collected temperature signal can be directly converted into a digital signal for processing by the device.5.