Shearwater Perdix Non Ai Scuba Diving Computer. Condition is "Used". Shearwater Research is proud to present our newest dive computer: The Perdix. Merging state of the art manufacturing techniques and innovative engineered materials, Shearwater has successfully developed a low-prole, sleekly contoured design without sacricing features vital to technical divers. Divers can still count on Shearwater’s simple, intuitive user interface, the large, easy to read display, and even longer battery life using any AA size batteries. Features User Replaceable AA Battery Air, Nitrox, Trimix capable Quick OC bailout from CC 3 axis, tilt compensated, digital compass Decompression Dive Planning Buhlmann GF algorithm Optional VPM-B algorithm Dive Logging Upgradeable Firmware Smart Ready Bluetooth Interface Specifications Screen Resolution: 32040 QVGA Display Type: Full colour LED LCD Display Size: 2.2" Battery Type: Single AA (any type) Battery Life: AA Alkaline 35 Hours SAFT LS14500 100 Hours Number of Gases: 5 OC / 5 CC Dive Log: 1000 Hours Dimensions: Computer (WxHxD) 81x71x38mm (3.2"x2.8"x1.5") Package (WxHxD) 13005x70mm (5.1"x4.1"x2.8") Weight: Computer 152g (0.34lbs) Package 330g (0.73lbs)