clock controlled by DCF signal Thermometer design wireless LED backlight of display no electronic area backlighting not permanent backlight yes color display (black mask) backlit yes 12/24 time format yes no time zones date yes calendar yes alarm clock yes, 2x Re-wake Yes internal temperature -5 ° C to +50 ° C, resolution 0.1 ° C outdoor temperature -20 ° C to +60 ° C, resolution 0.1 ° C outdoor humidity not internal moisture not min. and max. temperature possibility to set temperature unit ° C/° F weather forecast temperature alert no temperature trend yes trend of pressure no no barometer altitude correction no phase of the month no sensor range up to 30 m possible additional sensor up to 3 sensors (E08400) wire probe to sensor no no hanging on the wall sensor power 2 × 1.5 V AA (not included) transmission frequency 433 MHz power station 1 × CR2032 (included) AC Adapter Yes, 4.5 V DC/300 mA (included) size of the main unit (H × W × D) 80 × 163 × 56 mm sensor size (H × W × D) 100 × 65 × 35 mm display size (H x W) 42 × 102 mm sales package 1 pc, box