Features: 1High Accuracy: The temperature and humidity switch probe has 0.5 and 3%RH high accuracy error detection reliable in use. 2Application: The probe is suitable for ranch air temperature measurement animal and plant humidity detection livestock incubation temperature detection heating temperature detection etc. 3Detection Range: The voltage range is 3.35.5VDC the temperature measurement range is 4080 (40176). 450cm Cable: The 50cm/19.69in extension cord probe can be hung in any position and monitored at all times by connecting the temperature controller. 5Premium Material: Humidity controller probe is made of premium ABS material sturdy and durable long service life. Specification: Item Type:HumidityControllerProbeMaterial: ABS + ElectronicComponentsTemperature Measurement Range: 4080 (40176)Moisture Measurement Range: 0-99%RHMeasurement Error: 0.5 / 3%RHTemperature Probe Size: Approx. 55x26x9.5mm / 2.17x1.02x0.37inProbe Power Cord Length: Approx. 50cm/19.69in Package List: 1 xHumidityControllerProbe Note: The temperature and humidity probe needs to be connected to the Humidity Controller (not include Humidity Controller)