Check the listing for details. Desktop Digital LCD Temperature Humidity Meter Clock Home Thermometer Hygrometer. Color: White, Condition: New. Listed at 6.29 USD. Indoor Digital LCD Temperature Humidity Meter Clock There is a small button at the backside, under the holder. Press it, the temperature will change to Fahrenheit !! Features: Large LCD display,multi-function. Indoor & outdoor temperature display,indoor humidity display and time display. Memory of MAX & MIN measuring value. 12 hour/24 hour displaying system selectable. Clock, Date, Calendar Function (Month and Date). Pointing function on each hour Everyday alarm function. week display function Low power consumption. High stability & accuracy. Desk-top placing or Wall Hanging Specification: Device color:White Temperature range:Indoor&Outdoor -50~+70(-58~+158°F) Humidity range:10%~99% RH Power supply:1.5V*1 (AAA size) (Not included battery) Device dimension:10.5*9.8*2.4cm Device weight:126g Package size:18*13*4cm Package weight:162g HOW TO USE THE THERMOMETER: 1. Install power battery（AAA). 2. In the initial state, press "MODE" about 2 seconds, then the time digits start flashing. After that, you can press "ADJ" to adjust the digits' value. By pressing "MODE" continuously, you can set 'CLOCK'+ '12/24' +'MONTH' +"DAY". 3. After time set, the 2 points between 'HOUR' and 'MINUTE' flashing. Press "MODE" once, the 2 points not flashing, then press "MODE" about 2 seconds and the screen display 'Alarm' mode. By press "ADJ", you can set alarm time. After setting alarm time, the current clock will display in 1 minute. 4. Press "MEMORY", you will see the max/min temperature and humidity. Press "MEMORY" about 2 seconds to clear the max/min value. Package Includes: 1x Indoor Digital LCD Temperature Humidity Meter Clock Item Included: Item# Description QTY Unit 241210 Indoor Digital LCD Temperature Humidity Meter Clock 1 pc