Feature: 1. High Accuracy: The temperature and humidity switch probe has ±0.5℃ and ±3%RH high accuracy error detection, reliable in use. 2. Application: The probe is suitable for ranch air temperature measurement, animal and plant humidity detection, livestock incubation temperature detection, heating temperature detection, etc. 3. Detection Range: The voltage range is 3.3‑5.5VDC, the temperature measurement range is ‑40‑80℃ (‑40‑176℉). 4. 50cm Cable: The 50cm/19.69in extension cord probe can be hung in any position and monitored at all times by connecting the temperature controller. 5. Premium Material: Humidity controller probe is made of premium ABS material, sturdy and durable, long service life. Specification: Item Type: Humidity Controller Probe Material: ABS + Electronic Components 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. Package List: 1 x Humidity Controller Probe Note: The temperature and humidity probe needs to be connected to the Humidity Controller (not include Humidity Controller)