Ratio iDive Easy has brilliant functions and beautiful look with Air, Nitrox, Free-Diving, and Gauge mode. USB Rechargeable Li-ion battery & Transmitter compatible. It even has compass. Everything is well designed for diver's convenience. Different colours are available.
http://www.ratio-computers.com/idive/sport/idive_sport_easy.htm
Dive Mide: Air/Nitrox/Gauge/Freedive
Mix: 2 Mix (O2, 21-99%)
Deco Model: Buhlmann ZHL-16B
Algorithm Adjustment: 6 user settable protection levels
Repetitive Dives Management: yes
Gas Switch and Gas Break: yes
PO2: 1.2-1.6
CNS Calculation: Yes
Altitude Adjustment: Automatic
Water Type: Salt/Fresh
Deep Stop: yes
Safety Stop Adjustment: yes, time and depth
Dive Planner: No Deco Limit + Deco Planner