Highly accurate readings: Thermopro tp62 indoor outdoor thermometer hygrometer features premium temperature humidity gauge provide accurate readings for both inside outside humidity and temperature simultaneously; accurate to ±2°f and ±2 to 3%rh Long 200ft range: Wireless weather thermometer transmits indoor outdoor temperature and humidity from 200ft/60m away; Wall thermometer sync up to 3 outdoor remote sensors to monitor different locations, allowing you to monitor every environment from anywhere Large backlit display: Room thermometer with temperature and humidity monitor features 3.3 inches lcd display with huge digits and touch sensitive frame to activate backlight, ensuring the display is easy to read even in dim light conditions; thermometers outdoor/indoor are powered by aaa battery (included) Informational: Digital hydrometer displays indoor outdoor temperature and humidity percentages with trend arrows and all time/24 hours max and min records, to always keep you aware of the changes in your living conditions in order to make necessary adjustments Extremely user friendly: Easily adjust settings with 3 front facing buttons instead of taking the device off the wall or fridge to change settings; place smart thermometer for room temperature anywhere with the tabletop stand, wall-mountable and magnetic back design