SEAC Action HR, High Resistance Dive Computer with Scuba and Freediving Mode, Logbook, Planner, Safety Alarms

Wrist-mount diving computers for scuba and freediving. Easy to use. Scuba, gauge and freediving mode. Improved resistance. LCD screen with contrast and adjustable-intensity backlighting. Long-lasting CR2450 battery. SCUBA MODE: full control of dive profiles; Bühlmann ZHL-16C algorithm for 1 or 2 mixes (air, Nitrox, and mixes with O2 ≤99%). 40h/5” records. Alarms: MOD, deco stop, ascent. NoFly and desaturation time, altitude warning. NDL only Dive Planner. GAUGE MODE: Depth gauge and stopwatch for managing your dive profiles independently. FREEDIVING MODE: Dive/surface time, current/maximum depth. Logbook memory, 18 hours of activity with records every 2” Dive Manager software for MAC/PC (requires Windows 10), available free of charge at Seacsub.com. Download data via USB cable (sold separately).