Item Type: Humidity Controller Probe Material: ABS + Electronic Components Voltage Range: 3.3-5.5VDC Temperature Measurement Range: ?40?80 (?40?176) Moisture Measurement Range: 0-99%RH Measurement Error: 0.5 / 3%RH Temperature Probe Size: Approx. 55x26x9.5mm / 2.17x1.02x0.37in Probe Power Cord Length: Approx. 50cm/19.69in 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 3.3?5.5VDC, the temperature measurement range is ?40?80 (?40?176). 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.The temperature and humidity probe needs to be connected to the Humidity Controller (not include Humidity Controller)1 x HumidityControllerProbe