Promotional products: Includes three AAA batteries for the sensor. Featuring 12/24 hour display, date and weekday display, automatic snooze function. Temperature ranges between -20°C (-4°F) and 50°C (122°F). 4 weather icons laser engraved in 3D inside the crystal block (sun- red light, sun with cloud – green Light, cloud – white light and rain – blue light), Powered by AC/DC, DC power adaptor included. Temperature display in °C/°F, indoor/outdoor thermometer and indoor/outdoor hygrometer.