[7.5in Large Colorful Display with Adjustable Backlight] When only insert batteries(2 X AA battery, not included), this weather clock enters the power saving mode and the backlight is on for 15S. When plugged in the power adapter, 4 levels of backlight(strong-medium-low-dim) can be adjusted (when searching for WWVB signals, to avoid some interference factors, the screen goes blank for 7 minutes).

[Indoor Outdoor Thermometer with 3 Remote Channel] This indoor outdoor thermometer can connect up to 3 sensors, you can easily detect the bedroom, basement, warehouse, garage, outdoor weather conditions, etc. Package contains 1 sensor.

[Dynamic Weather Forecast Icons with Tendency Arrows] This outside thermometer predicts the weather conditions in the next 12-24 hours based on the air pressure trend, provide reference for your outing.

[Comfort Level Face] Based on the measured indoor temperature and humidity, this home weather station provides a display of comfort, prompting you to adjust the indoor temperature or humidity in time.

[Weather Clock With WWVB Function] Self setting accurate atomic time and date with automatic daylight savings time reset (on/off optional), calibrates the signal every morning(1:00-1:07am,2:00-2:07am,3:00-3:07am) automatically.