You've heard them on television. You've seen them on television. Now make it your own. Order your Desk Buttons that allow you to record and playback your own message. Add your logo to personalize it even more. Size is 3 1/2" diameter and 1 1/8" high. Requires two AAA batteries. PLEASE NOTE that if your requirements are for a single unit or a small quantity of these recordable buttons, please click on the link below, "Recordable Desk Button DB-20R."