Alti-2 Atlas Altimeter/Audible is a digital altimeter which can be used as either an audible or visual. The Alti-2 Atlas Altimeter/Audible is the succesor to Neptune and Neptune 2 and has the following features:
Case
Anodized aluminum case.
Toughened glass lens.
Clickable flush buttons.
USB rechargeable.
USB interface to PC.
Waterproof up to six feet for up to one hour.
Toughened glass lens.
Clickable flush buttons.
USB rechargeable.
USB interface to PC.
Waterproof up to six feet for up to one hour.
Alarms
Eight selectable alarm groups.
Alarms can be set as freefall or canopy alarms.
The Neptune Maintenance Utility (NMU) can be used to create up to 32 custom alarm names.
Alarm tones can be customized using the NMU.
Canopy alarms include approach alarms leading up to the selected alarm altitude.
Canopy alarms  can be set to loud for those who wish to hear them from their wrist.
The Neptune Maintenance Utility (NMU) can be used to create up to 32 custom alarm names.
Alarm tones can be customized using the NMU.
Canopy alarms include approach alarms leading up to the selected alarm altitude.
Canopy alarms  can be set to loud for those who wish to hear them from their wrist.
Logs
Logs 200+ jump Profiles and 2,500+ jump Summaries.
Jump odometer
Up to 32 drop zone and aircraft names can be entered using the NMU.
Time under canopy and freefall time are logged.
Up to 32 drop zone and aircraft names can be entered using the NMU.
Time under canopy and freefall time are logged.
Display
Time can be set to 12 or 24 hour format.
Date can be set to USA or International format.
Temperature can be displayed in F or C.
Speed can be displayed in mph or kmh.
LCD may be flipped.
Menu scrolls and wraps.
Temperature can be displayed in F or C.
Speed can be displayed in mph or kmh.
LCD may be flipped.
Menu scrolls and wraps.
Alti-2 Atlas Altimeter/Audible has all of these features and more
