HITO Humidity/Indoor Outdoor Temperature Clock w/ Max and Min and Remote Probe (White) Large display of Humidity, indoor/outdoor Temp(C/F) and Time(12/24-hour) Device: 4.3"x 3"x 1"; Display: 3"x 2.4". Remote Probe: 3 meters (10 feet) Built-in stand for sitting on a desk with multiple view angles. Or mount on wall Recalls minimum and maximum readings Requires 1x 1.5V AAA battery (not included).