Technical parameters:<br><br>Product category: wall clock<br><br>Applicable places: study, public place, office, bedroom, living room<br><br>Representation type: number<br><br>Display type: LED<br><br>Features: Luminous display, week display, perpetual calendar, decoration, month display, thermometer, calendar, 24-hour display<br><br>Waterproof: no<br><br>Type of power: external power supply<br><br>Movement type: electronics<br><br>Size: 48*19*4cm<br><br>Shell Material: Plastic<br><br>Mirror material: ordinary glass mirror<br><br>Dial Material: Plexiglas<br><br><br><br>Description:<br><br>1, aluminum alloy frame (black aluminum frame, generous, expensive, elegant.)<br><br>2. Display in very large hours, minutes and seconds. (The time is displayed by 3 inch digital tube, which is suitable for a long time viewing.)<br><br>Note: This does not have an alarm clock and timekeeping function.<br><br><br><br> Technical specifications:<br><br>1. The Gregorian calendar is automatically compared to 2001-2049.<br><br>2 automatically corresponds to the week. In the following year, the major and minor months are adjusted automatically.<br><br>4. (The perpetual calendar should be connected. The built-in lithium battery is used for the time when the power is off and the clock face is not displayed.)<br><br>5, clock accuracy: less than or equal to plus or minus 0.3 seconds / day<br><br>6, power: 110V-240V, 50Hz / 60Hz plus or minus 15%<br><br>7, power: less than or equal to 2.5W