Although targeted primarily at technical divers, the SCUBAPRO Digital 330M Wrist Gauge is an ideal data delivery system for beginning divers and a useful backup for divers of all skill levels. Incorporating state-of-the-art technology, the Digital 330M displays essential information like actual and maximum depth, ascent speed, bottom time, and temperature. A built-in logbook function provides data for the last 20 dives, so you can easily perform post-dive review and analysis. Variable ascent rates are displayed in a percentage, with a fast ascent warning to help ensure you make the necessary safety stops. Other features include a surface interval display for the past 24 hours and automatic altitude compensation for when you change dive locations. Driven to constantly innovate and improve the diving experience, SCUBAPRO builds high-quality equipment for the work, sport, and lifestyle of people whose passion is found below the surface. Depth-rated to 330 meters to suit technical and deep-diving scenarios; weighs 0.3 pounds; one-year warranty.