Unit pictured is the exact one that you're getting. Nothing more, nothing less.Take time to check through the pictures. I've tried to represent the product as honestly and completely as possible.If it's not in the pictures, it's not there.Diameter +/-12cm.Item in good as new condition. Bought as a curio when in Italy in the 70's.Don't buy if you don't know what it is or can do! I can't offer you technical backup; you buy as-is.Collection from Alberton ONLY! (Couriers/PAXI/PUDO/Postnet welcome too, but only after your funds have cleared).You are buying from a private seller, so no warranties, returns or refunds!We chat on this platform only, so don't ask for WhatsApp/Wharrawharra. It'll prevent me from confusing you with somebody else and is also the recommended thing to do, for both your safety and mine. I've got the App on my cell phone, so will not be too far away to reply to you.