DS18B20 Waterproof Temperature Sensor: The probe chip features separated pins insulated with shrinkable tubing to prevent short circuits. Temperature Range: -55°C to +125°C. Note: The cable can withstand temperatures up to approximately 85°C. Power Supply: 3.0V - 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: Applicable in thermostatic control systems, industrial equipment, thermometers, refrigerators, warehouses, storage tanks, telecommunications rooms, power rooms, and cable trunking. Cable Length: 1 meter (3.2 feet). Color: Black. Package Contents: 10 x Temperature Sensors. Light reflection and display differences may cause slight color variation from the actual product. Measurement tolerance: +/- 1-3 cm.