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 ~ +125 . Please 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 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: 3 meter / 9.8 feet color:Black Material:Stainless steel Package Contents: 5 x Temperature Sensor Only 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 error is +/- 1-3cm.