Free Bluetooth® iOS/Android app for setting the altimeter

Extra-loud speaker with audio from a professional voice actress

Can also emit beeps and sirens like a standard audible

Rugged hardcoat-anodized aluminum case with IP67 waterproofing

Highly customizable spoken altitude announcements for each phase of the skydive

Store up to five presets and select them via button press on the altimeter

Store unlimited notifications on each preset (nearly 100 factory sounds, e.g. "breakoff")

Copy presets for easy slight modifications

Logs jumps for syncing to FDS Logbook

Firmware updates via Wi-Fi

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 (USB C cable included)

Long battery life of approximately four months or 50 jumps

Low battery warning at 1,000 feet

Check battery status and other info by holding down both buttons

Adjusts automatically to local elevation

Always on

Technical Specifications

Dimensions: 61.0 × 32.0 × 12.2 mm (2.40 × 1.26 × 0.48 in)

Weight: 39.3 g (1.39 oz)

Anodizing type: MIL-A-8625F Type II

Water ingress protection: IP67

Battery: rechargeable lithium ion 3.7V 165mAh

Peak alarm output volume: 100 dBA @ 10 cm

Audio type: MP3

Operating temperature range: −40° to +65° C (−40° to 150° F)

Operating altitude: −500 to 9,000 m MSL (−1,640 to 29,528 ft)

Altitude resolution: 0.5 m (1.64 ft)

Sample rate: 50 Hz

Permissible charging temperature range: 0° to +50° C (32° to 122° F)

USB connector: USB-C

Radio capabilities: Wi-Fi and Bluetooth Low Energy