Features: 1. Plastic frame (black frame, black glass is generous, precious and elegant.) 2. High-definition transparent plexiglass large display, can clearly display the year, month, day, hour, minute, second, convenient for long-distance viewing.(The time is displayed by a 1.8-inch digital tube, which is convenient for viewing from a distance.) 3: Function: alarm clock, hourly hour, year, month and day display, week display, temperature display. 4. The Gregorian calendar is automatically compared to 2001-2049. 5. The week automatically corresponds, and the leap year, large and small months are automatically adjusted. 6. The power cut does not show that the incoming calls do not need to be reset.(The perpetual calendar needs to be plugged in for use. The built-in lithium battery is used for time operation during power failure, and the clock face does not display) 7. Clock accuracy: less than or equal to plus or minus 3 seconds/month 8. Power supply: 110V-240V, 50Hz/60Hz plus or minus 15% 9. Power: less than or equal to 1.5W 10. Mute time. Give the a quiet sleeping environment. 11.Real time temperature. Automatically sensing indoor temperature, protect the health of family members. 12.Clear and pleasant voice broadcast function. Specification: Name: LED perpetual calendar electronic clock Material: Plastic Mirror material: glass mirror Voltage: 220V/50Hz Power supply: USB plug-in operation (DC 5V) EU Plug Applicable scene: living room, dormitory, dining room, bedroom, office Power cord length: 1.2m Size: 35.8*15*2.8cm Font Color: Red/Green/Blue/White Packing included: 1 * LED Perpetual Calendar Electronic Clock 1 * Piece USB Cable 1 * plug Note: 1. Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.