Only Used a few times. Serviced last year for routine purposes only (not broken). Suunto Zoop is a great value, easy-to-use dive computer for recreational divers. Though Suunto Zoop is a great choice for your first dive computer, its full decompression capabilities and nitrox mode are designed to give you years of serious fun. Suuntos incredible entry level computer Air and nitrox up to 50% Easy to use diver interface, easy to read screen User changeable battery, audible alarms, built in dive planner