Mini Size & Maximize Space: The size of the Mini Humidity Gauge is only the size of a watch. Also, the compact size will be great for space-saving when placing it on your desktop or nightstand High Accuracy & Fast Refresh: The 24 sensitive humidity sensors of the room thermometer hygrometer refresh every 10 seconds to provide updated and accurate readings. Digital hygrometer has a wide measuring range and high accuracy.Temperature range: 32.0℉-122.0℉(0.0℃~50.0℃), Humidity range: 20% to 95%RH. Temperature accuracy: +/- 2.7℉ ( +/- 1.5℃), Humidity accuracy: +/- 5% Easy to Read: Humidity gauge indoor thermometer features a compact large LCD display with large bold numbers, allowing you to read the thermometer digital from any angle and distance Air Comfort Indicator: Humidity meter with humidity level icon indicates air condition--comfortable, uncomfortable, and normal conditions to notify you to adjust the humidifier or dehumidifier accordingly to ensure that you always live in the most comfortable environment Smart Design: Humidity gauge desk thermometer has 3 mounting options -- magnet attaching, table standing, and wall hanging design, put anywhere you want, convenient mounting feature for everywhere like kitchen, garden, greenhouse, basement, room, guitar room, even cigar humidor, and eggs Incubator colour: black Material: plastic Size: 45x58x16mm Package Contents: 2 x Thermometer / 1 x Thermometer Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.