The speaking audible altimeter

Test sample available for testing!

SonoAlti 4V
speaking skydiving altimeter

Key Features

• Rugged hardcoat-anodized aluminum case (MIL-A-8625 Type III)
• Set via WebUSB in a web browser (USB C data cable included)
• Built-in speaker with audio from a professional voice actress
• Regular spoken altitude announcements in user-defined increments and ranges for each phase of the skydive
• Unlimited additional spoken notifications (100 factory sounds, e.g. "breakoff")
• Can also emit beeps and sirens like a standard audible
• Simple firmware updates as easy as dragging files onto a USB drive
• Share your settings with fellow skydivers
• Add your own sound files
• Three custom user presets selected via button press on the altimeter
• Always on
• Remembers your settings when the battery runs out
• Adjusts automatically to local elevation
• Freefall threshold can be customized for swoopers and wingsuiters
• Landing zone offsets possible for those landing at a different altitude than takeoff
• Tested to function accurately up to 30,000 feet
• Rechargeable lithium polymer battery
• Long battery life of approximately 100 jumps or two months
• Low battery warning at 1,000 feet
• Check battery status and other info by holding down both buttons