Stainless steel encapsulated waterproof temperature sensor DS18b20 temperature sensor 18B20. Original DS18B20 temperature sensor probe used chips Encapsulated waterproof high quality stainless steel tube anti-rust. Stainless steel housing (6x50mm), leader length 100cm. After each probe to undergo a rigorous testing packaged individually 3.0V~5.5V power supply. 9~12-adjustable resolution. Temperature range-55 ° c ~+125 ° c No external components, and unique single-bus interface. Output lead wire: Red (VCC), white (DATA), black (GND)

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