Feature : Application: Thermostatic controls, Industrial systems, Consumer products, Any thermally sensitive system. Chip: DS18B20; Voltage: 3.05.5V; Temperature range:-55'C~+125'C (-67'F~+257'F); No external power supply is required as power is drawn from the data line; Output line: Red(VCC), Yellow (DATA), Black(GND) Length: 1M;Probe