Silence:Silent to work.The sound is less than 25 decibels,You can not hear the sound mostlyAccurate,Daily error -0.5s ~ +0.5s,Long service life,Holding every seconds of yourselfSpecification:Name: Wall Clocks Mirror material: plexiglass mirrorDial material: metalShell material: AcrylicThickness: 8mmPacking List:Wall clock*1, does not include items other than the wall clock in the picture.Notice:-The size is manually measured, there is a certain error, and the actual situation shall prevail.-Due to various reasons, there may be a certain color difference, subject to the actual product.