12-inch/30cm luminous silent wall clock, Battery Operated(need to bring a carbon 1pcs AA battery,not included) Glowing Function Wall Clock - Glowing up function and long time, The numbers and clock hands are all coated with phosphor, asks for absorbing enough light energy during the day.(The brightness of noctilucent gradually decreases, and it can't stay at brightest all the time) Without Glass and Design: Made of black MDF clock face and illuminated green numbers, hour and hands, no frames and no glass. Quiet movement, accurate time, farewell to mechanical ticking, suitable decoration, living room, bedroom, office, etc. Fine workmanship, sturdy and durable, beautiful and generous, exquisite and fashionable, three-dimensional numbers, clear scale display, it also shows a strong visual and artistic effect. size: 34.19 x 33.60 x 5.69 cm Material: fiberboard colour: black Package Contents: 1 x Wall clock 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.