REAL MOVING GEAR | The moving gears makes a relaxing noise and make the clock a living element in the environment in which it is placed MATERIAL QUALITY | The entire frame is made of Metal and Fir Wood, and high Quality Plastic gears for vintage and industrial effect. The Gears has no background on this clock for a beautiful naked appereance. Very Strong personality. PERFECT FOR ALL ROOMS | The Gears Clock Switzerland Line wall clock with Real Moving Gears is is a masterpiece on your wall and is perfect for any room, also for commercial, studio, anywhere BATTERY | Requires (3) three AA battery (not included) READY TO HANG | easily hung on any wall with the pre-installed hook located on the back of the clock MATERIAL | the clock frame is made of 40% Wood 55% Metal and 5% Plastic WARRANTY | FULLY GUARANTEED for clock(s) damaged on arrival. DIMENSION | this clock is 18 inches (46 cm) and is ready to be hang on the wall with the pre-installed hook placed on the back of the clock (this clock is large, please measure carefully your space)