All the functionality of a dive computer in a compact wrist watch package. 

Push button operated and nitrox compatible. Four buttons to access modes, change settings and switch displays make the Pulse easy to operate. 

Nitrox compatible - mix one may be set for Air (21%) to 50%, mix two may be set for Air (21%) to 99%; 

Features include: Time display mode - day, date and time of day Dual time Alarm clock icon Hourly alarm icon Nitrox indicator Altitude indicator Backlight Low battery indicator Nitrogen bar graph Oxygen bar graph Desaturation time Surface interval time Dive settings mode - calculates no-decompression, decompression and oxygen related information, nitrox mix 1, nitrox mix 2, maximum operating depth, safety factor, water type, profile recording interval (in gauge mode the Pulse becomes a basic depth gauge and timer). Plan mode and plan simulator Decompression dive mode Alarms - FO2 warning, fast ascent warning, PO2 warning, decompression stop violation warning, oxygen bar graph warning, out-of-range warning. Logbook and profile mode