This is very loud. It has 3 mounting holes. It is approx 44cm x 24cm x 13.5cm. The top hole winds it up. Bottom one let's the bell do one revolution or push down to let bell ring continually.It is very well made & is quite heavy. Its in good condition, but it has one nut missing from the front. This is easily replaced . Also the end piece of the winder handle, has some cosmetic damage. Just needs filing or something similar. Check all pictures which reflect the condition. Collection is welcome to save on postage costs. No returns Thanks