The power cut does not show that the incoming calls do not need to be reset. Clear and pleasant voice broadcast function. Mute time. Give the child a quiet learning environment, so that the child is more attentive to study. High-definition transparent large display, can clearly display the year, month, day, hour, minute, second, convenient for long-distance viewing. Real time temperature. Automatically sensing indoor temperature, protect the health of family members. Name: LED perpetual calendar electronic clock Voltage: 220V/50Hz Applicable scene: living room, dormitory, dining room, bedroom, office Power cord length: 1.2m Size: 35.8x15x2.8cm Colour:black Font Colour: red Material: ABS Package Contents: 1 x wall clock 1 x USB cable Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.