DS18B20 Waterproof Temperature Sensor: The probe chip whose pin is separated by shrinkable tube can prevent short circuits.Temperature Range: This DS18B20 temperature sensor temperature range is -55 - and125 . note: The lead can only withstand a high temperature of about 85C.Product Parameter: The power supply 3.0V - 5.5V, Output cable: Red (VCC), Yellow(DATA) , Black(GND).Material: digital temperature sensor adopts waterproof design, high quality stainless steel tube packaging, moisture-proof and rust-proof, suitable for a of narrow space equipment digital temperature measurement and control field.Widely Application: This waterproof DS18B20 temperature sensor is applicable to thermostatic control, industrial , thermometers, any thermal system etc. This is suitable for refrigerators, warehouses, storage tanks, telecommunications room, power room, cable trunking, etc.Range:1 meter or 3.2 feetcolor:BlackMaterial:Stainless steelPackage Contents:10 x Temperature SensorOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed is 1-3cm.