Jack gives the WORST review of all time… and somehow the AO(N²) X0 Alti STILL sounds absolutely brilliant! 
At just £150.00 it’s one of the best-value digital altimeters out there right now.
Simple. Clean. Reliable.
No gimmicks. Just pure altitude awareness. 
FEATURES
Always-on sunlight readable display
Feet / metres switchable at the press of a button
Automatic calibration
Altitude offset
USB-C charging
Approx 3 month battery life 
Tiny size = lower snag risk
Dimensions: 56x41x12mm
Screen: 1.28" high-contrast LCD
WHY DIGITAL?
Easier to read at low altitude
Bigger, clearer numbers
Switch between feet & metres instantly
Smaller and lighter than analogue altis
Super clean setup with no unnecessary extras
And that’s exactly why the price is so good…
AON stripped away all the stuff you DON’T need and focused on the stuff that actually matters. 
Built and tested in the UK using experience from the Brilliant Pebbles and X2 systems.
FAQ QUICK HITS
Arm mount included
USB-C charging
Works with polarized sunglasses
Altitude offset included
No Bluetooth
No logging
No backlight
Not waterproof
Basically… it’s a no-nonsense altimeter that just gets the job done. 
Watch the madness:
Coaching & info:
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Everything you need 
Ask away — always happy to help!
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