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Contact Supplier100 Percent brand new and high quality here is a ds18b20 original chip, three-wire temperature sensor high-quality stainless steel tube encapsulation waterproof moistureproof prevent rust no other components, unique single bus interface 9 - 12 adjustable resolution Accuracy over the range of 10 degree Celsius to plus 85 degree Celsius: ±0.5 degree Celsius. Specification power supply range: 3.0V5.5V operating temperature range: 55 degree Celsius plus 125 degree Celsius (67 degrees Fahrenheit plus 257 degrees Fahrenheit ) storage temperature range: 55 degree Celsius to plus 125 degree Celsius (67 degrees Fahrenheit plus 257 degrees Fahrenheit ) output lead: red (VCC), yellow (data), black (ground) cable length: approx.100cm Color: as shown.