Features 1、WORKING RANGE: Temperature humidity meter, the temperature measuring range is ‑10℃‑50℃ (+14℉‑122℉), the humidity measuring range is 20%‑99%RH. 2、WITH BATTERY: Equipped with 120mAh AAA dry battery, the detector can automatically measure when it is turned on, stable and reliable. 3、HIGH ACCURACY: The handheld thermometer hygrometer has high detection accuracy, accurate reading and no need for manual calibration. 4、WIDE APPLICATION: The tester is widely used in family rooms, apartments, industries, laboratories, greenhouses, warehouses and aquaculture farms. 5、PLASTIC HOUSING: The detector shell is made of excellent ABS plastic, with good toughness, corrosion resistance, aging resistance and long service life. Specification Item Type: Temperature Humidity Meter Model: HY8 Material: ABS Usage: Widely used in household, apartments, industries, laboratories, greenhouses, warehouses and aquaculture farms Battery: 1 x 120mAh AAA dry battery (built in) Temperature Detection Range: -10℃-50℃ (+14℉-122℉) Humidity Detection Range: 20%-99%RH Package List 1 x Temperature Humidity Meter 1 x User Manual