【High-quality materials】The temperature sensor uses high-quality stainless steel waterproof probes to maintain accurate measurement data and high work efficiency in harsh environments. 【Temperature sensor parameters】power supply range: 3.0V-5.5V, operating temperature range: -55℃~+125℃, shell size: 6*50mm (diameter*length), cable length: 2m，Output lead: red (VCC), yellow (DATA), black (GND) 【Applicable development board】compatible with Arduino, xiao, ESP32 and other development boards 【Applicable places】used for cold storage temperature monitoring, pharmaceutical factory GMP monitoring system, telecommunications room monitoring, beer production, building automation, warehouse temperature monitoring, environmental monitoring, process temperature monitoring, air conditioning monitoring, incubation temperature control, aquaculture temperature measurement, greenhouse temperature monitoring, household refrigerator 【Package content】6PCS DS18B20 temperature sensor