General Tools DTH04 Digital Jumbo Display Temperature and Humidity Monitor with Clock The General Tools and Instruments DTH04 Temperature and Humidity Monitor with Clock effectively measures and monitors temperature, time and humidity 3 row display shows temperature, humidity and all in current time Choose between Fahrenheit and Celsius temperature units; clock can display 12 or 24 hour time Minimum and maximum temperature and humidity memory makes it easy to track dips and spikes Runs on 1 AAA battery (included); features a jumbo digital display for easy reading