The wireless weather station features 12/24 hour display, date and weekday display, automatic snooze function. Temperature ranges between -20°C (-4°F) and 50°C (122°F). Temperature display in °C/°F, indoor/outdoor thermometer, indoor/outdoor hygrometer and adjustable projector to display the time on any wall or ceiling. Powered by AC/DC, DC power adaptor included. 4 weather icons laser engraved in 3D inside the crystal block (sun- red light, sun with cloud – green Light, cloud – white light and . 1.5" D x 6.375" W x 4.375" H