Freedom computer version for demanding technical divers, who use a helium mixture and a wide variety of decompression gases. Features: up to 9 mixtures with any content of Oxygen and Helium Bhlmann?s ZHL decompression algorithm fully adjustable gradient factors deco stops or deco ceiling for continual decompression full color TFT display four screens during the dive including the graphical dive profile reversible display for left/right hand brightness adjustment durable aluminum body 300 m (1 000 ft) operational depth metric/imperial units depth average with the possibility to restart easy-to-use two button control rechargeable Li-Ion battery high-precision depth sensor vibrating alarms strong enough for a drysuit decompression games textile strap or bungee wrist mount log processing in the cloud or offline software version upgradeable free firmware updates USB connection and charging Freedom displays are protected by protector display overlay. You can choose from two variants of the fastening strap (35,5 cm or 42,5 cm). Freedom Full Trimix contents: 8058 Freedom Full Trimix computer 8075 USB charger 1481Attachment bungee 1482 fastening strap or 1483 fastening strap for dry suit 3151 silicon protective sleeve