Pre-assembled mechanism for easy assembly can be applied up to 120 cm diameter applicable figures from 70 to 120 cm diameter 7 cm long hour : 13 cm minute hand : 18 cm mechanism 10 cm (hangs on nails) number thickness 8 mm material wooden mirrored plexiglass (not sticker - non-deformable durable material) numbers stick (quality adhesive) clock mechanism: silent sweep movement, specially designed 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. Create a party-ready atmosphere with this colorful LED lighting. Easy to install and perfect for events or home decoration.