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: Our 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 systems, thermometers, any thermal system etc. This is suitable for refrigerators, warehouses, storage tanks, telecommunications room, power room, cable trunking, etc. Range: 1 meter / 3.2 feet color:Black Material:Stainless steel Package Contents: 5 x Temperature Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.