【Main Features】 Modes: Air / Nitrox / Gauge / Free Algorithm: Bühlmann ZHL-16B (6-level adjustable) Water Type: Saltwater / Freshwater gauge Deep Stop Safety Stop (adjustable minutes and depth) Remaining pressure display (optional wireless air integration, up to 2) 3D Compass Outdoor Functions: Altitude, Barometric Pressure, Temperature, Weather Forecast, Magnetic, Pedometer Other: Stopwatch, Pitch & Roll, Moon Phase Backlight: LED Super Bright (Automatic: Sensor / Manual) Log Memory: 160 dive hours Maximum Depth: 300m 【Main Equipment】 Display: 100% Matrix, 320 x 240 pixels, 2.8 inches Case Material: Plastic Lens: Macrolon Battery: USB Charging (Li-ion) 【Full Charge: 50 dive hours】 The CD has some areas where the printing is faint, but the content is readable.