Indoor/Outdoor Time & Temperature & Weather Forecast: Time and temperature with perpetual calendar up to 2099 and optional 12/24 hour time format, C/F conversion, alarm, weather forecast function which has 6 weather forecast symbols and 3 barometric pressure trend symbols, predicting the weather for the next 12 hours (indoor/outdoor temperature circularly displayed every 5s). 8 Switchable Backlight Colors: The backlight color of the the screen can be set according to your mood. 8 switchable backlight colors (white, red, orange, yellow, green, cyan, blue, purple) and the colors can quickly cycle or fix on one color. The projection clock offers 3 levels of brightness to adjust. 60 Meters Transmission Range: 90~180 rotation angels and 1~3m long projection distance for clear viewing, dual alarms with snooze function, which means it has two alarms with independent switches, one snooze function (one minute snooze). Please specify a transmission distance of 60m in an open space. If the sensor fails to connect to projection clock, check if the sensor battery is installed correctly. 120 Rotating Projection: The projection clock has projection function and free rotation of about 120 degrees. Users can adjust it to the angle you prefer. Indoor temperature detection: -9.9C to +50C (14F to 122F). Outdoor temperature detection: -40C ~ +70C (-40F ~ 158F). If the projection is upside down on the wall, long press the "-" in the lower right corner and the projection will return to normal.