This is the Shearwater PEREGRINE 16001 Air, Nitrox, 3 Gas Nitrox, Gauge - 3 OC Gases Vibration Alerts Features: Full Colour. High Resolution. Easy-to-read display 2.2 LED LCD display with vivid, enhanced colour range and saturation. Simplified diving modes and full decompression support Uses Buhlmann ZHL-16C with gradient factors. Shearwater dive computers never lockout for dive plan deviations. Intuitive dive planner Quick NDL Planner and full decompression planner built in. Two Button Interface Simple to navigate, state-aware menu structure. 316 stainless steel buttons. Peregrine two buttons interface Wireless Charging: Battery life per charge is up to about 30 hours on medium brightness level. USB wireless charging station is included. Wireless Data Transfer Smart Technology: Enables you to upload dive logs using wireless data transfer smart technology to Shearwater Cloud and free firmware updates User Customizable Display: Customize your display with information important to you Multiple Languages: Languages include: English, French, Simplified Chinese, Traditional Chinese, German, Portuguese, Korean, Japanese, Italian, Italian and Spanish. The bright, easy to read colour screen with simplified operation makes it a clear choice for the diver starting their adventure but with room to grow. With four diving modes, Air, Nitrox, 3 Gas Nitrox and Gauge the PEREGRINE stands apart as an entry-level dive computer. Best suited for Air and Nitrox divers but with the no lockout full decompression support you expect from Shearwater. Wireless charging and Bluetooth support offer the convenient connectivity expected. Each unit comes standard with a black silicone strap & shock cord. "