Wall Clock for Extra Large Digital Display for Time Day Calendar Indoor Thermometer Hygrometer Table Desk Stand & Wall Hanging Feature: Large screen display, alarm clock function, snooze function; Indoor thermometer and hygrometer function. Specification: Product model: TS-8608 Material: ABS+electronic components Size: 20*20*for cm/7.87*7.87" Packing size: 22.5*22.5*5cm/8.86*8.86*1.97" Colour: Black Power supply: 3 x 1.5V AAA batteries (not included), insert batteries, it will emit a beep sound and then switch to the standard display mode, and display the ambient temperature and relative humidity of INDOOR. Default display when turned on: Time: 0:00 January 1st, 2020 Week language: WEDNESDAY for Time format: 24HR Date display format: Month-Date Unit: temperature (), relative humidity (%) Temperature and humidity detection instruction: INDOOR temperature detection range: -1~+48 (+30.2~+118.4 ) If the detection temperature of INDOOR is below -1 (+30.2), it will display LL.L & ; if above +48 (+118.4), HH.H & Humidity range of INDOOR: 20%~95% The temperature and humidity detection cycle of INDDOR is 60 seconds. When the alarm sounds, the temperature and humidity detection is not performed, and the INDOOR temperature and humidity value is not updated. If the detection humidity of INDOOR is lower than 20%, it will display 20%; higher than 95%, and also display 95% Notice: 1. When the characters are unclear, fuzzy, flashes madly or a battery symbol appears, it is recommended to replace the battery. 2. For both table placing and wall hanging. 3. It has no backlight. 4. Week display is only available in English. Note: 1. There may be slight size deviations due to manual measurement, different measuring methods and tools. 2. The picture may not reflect the actual color of the item because of different photographing light, angle and display monitor.