DS18B20 Waterproof Temperature Sensor: The probe chip with separated pins enclosed in a shrinkable tube helps prevent short circuits. Temperature Range: -55°C to +125°C. Note: The lead can withstand a maximum temperature of approximately 85°C. Product Parameters: Power supply: 3.0V to 5.5V. Output cable: Red (VCC), Yellow (DATA), Black (GND). Material: Digital temperature sensor with waterproof design, housed in high-quality stainless steel tube for moisture and rust resistance. Suitable for digital temperature measurement and control in confined spaces. Wide Application: Suitable for thermostatic control, industrial systems, thermometers, refrigerators, warehouses, storage tanks, telecommunications rooms, power rooms, cable trunking, and other thermal systems. Cable Length: 1 meter (3.2 feet) Color: Black Material: Stainless steel Package Contents: 10 x Temperature Sensors Note: Lighting effects and display settings may cause slight color variations between the image and the actual item. Measurement tolerance is +/- 1-3 cm.