The new Mares Puck is a full function RGBM dive computer with an economical price.  The Puck series computers feature larger digits for easy reading and backlight on demand.  A single button allows divers to smoothly scroll through all menu options and is Nitrox programmable for mixtures up to 50% oxygen.  The new Mares Puck series dive computers are perfect for divers who prefer ease of operation.