FreeFlyVario - ultralight audio variometer for paraglider-handglider

Description

The FreeFly Vario mini audio vario is a compact, very precise, durable and reliable flying instrument. The battery will give you over 250 flying hours. For the best possible use, the FreeFly Vario should be mounted to the helmet with velcro . The harness belt is also a good choice.
The FreeFly Vario is a water-resistant variometer.
Its Basic settings like audio volume sink thresholds can be set easily in flight. The FreeFly Vario is great for paragliding or hang-gliding beginners, hike&fly pilots, as a backup vario, or just for everybody. FreeFly Vario weighs only 15g.
Specifications :
Weight:15g
Long battery life: up to 300 hours
3 sound levels
Buzzer
Auto off timer: 2 hours;
Battery type: CR2032 button cell (battery life up to 300 hours);
Dimensions (without cap): 56х9х23 mm (2.20x0.35x0.90’’).
Features
High precision digital barometer with 10 cm resolution
Long battery life – up to 300 hours
Durable casing
Configurable audio volume and sink threshold
Lightweight
Water-resistant
Included
FreeFly Vario
self-adhesive Velcro  for helmet mount
sling to attachto equipment
The FreeFly Vario  is highly appreciated by hundreds of pilots.
test drive - http://testfly.ru/tests/devices/microvarios
USER MANUAL
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https://yadi.sk/i/ssDS35e-stUq3g
VIDEO
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https://youtu.be/59Iy9yH_qK8