Specifications: With the frameless design, you can easily extend or reduce the diameter of the clock to suit the different size wall. Clock numbers are consist of one layer acrylic mirror and EVA foam, which make it more three-dimensional and shinning. Large Size for wall decoration, acrylic mirror surface let your room get a stylish and modern mood. Package includes self-adhesive stickers and auxiliary scale ruler for easier installation. Each mirrors have a protective film, please tear off after installation. High-quality movement, long life, accurate travel time, silent, no sound. How to install: Step-1: Use a hammer to knock the nail into the wall, then hang the clock tray on the wall Step-2: Hang the paper scale on the clock tray, according to the scale to mark numbers position Step-3: Remove the paper from the back of acrylic mirrors, then fit with matching EVA Step-4: Remove the back paper of EVA, stick to the wall Step-5: Tear off the protective films from mirrors Step-6: Fix the hour hand and minute hand one by one along with the 12 o'clock position Step-7: Tighten the nut Step-8: Install 1 x AA battery for the clock, adjust the time with gear button of quartz Step-9: Hanging the clock return to the wall, and you can enjoy your art-work now Item Name: DIY Wall Clock Material: Metal, Acrylic, EVA Movement: Jump Seconds Movement Minute Pointer Length: 39cm/15.35" (Approx.) Hour Pointer Length: 31.5cm/12.4" (Approx.) Dial: Diameter: 10cm/3.94" (Approx.) Battery: 1 x AA Battery (Not Included) Features: DIY Wall Clock, Mirror Surface, Home Decor, Luminous Diameter: 70cm-120cm/27.56"-47.24" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x DIY Wall Clock 1 x Minute Pointer 1 x Hour Pointer 1 x Digital Positioning Ruler Card 2 x Non-marking Nails 1 x Digital Sponge Strip 1 x Acrylic Mirror Digital Box 1 x User Manual 1 x Glasses Cloth