READY TO ASSEMBLE MECHANISM FOR EASY ASSEMBLY Can be applied up to 120 cm diameter Can be applied up to a diameter of 70 to 120 cm Numbers are 7 cm long Hand : 13 cm Hand : 18 cm Mechanism 10 cm (Hanging on nails) Digit Thickness 8 mm Material WOOD Mirrored Plexiglass (Not Sticker - NON-DEFORM DURABLE MATERIAL) Numbers stick (Quality Adhesive) Clock Mechanism: Silent Flowing Seconds (Silent sweep movement) Special Design Laser Cut Hour and minute hands are metal. It works with 1 AA battery. Ready for Assembly. You can apply directly to the wall by removing the protector on the back of the pieces. There is also a protective gelatin in front of the plexiglasses. You can use a damp cloth during cleaning. More than 100 stocks are offered to be sold at the campaign price.