Technical details
 
Function : 
Vario with sound and light
Size : 
5.3cm x 4.3cm x 1.4cm
Weight : 
19 gr including battery
Rising threshold : 
from +0.1 m/s to +0.5m/s
Falling threshold : 
from -0.5 m/s to -2.5m/s
Thermal sniffer : 
activable from -0.1m/s to +0.1m/s
Volume : 
3 levels plus 'OFF' position
Autonomy : 
290h
Battery : 
Cell coin CR2450 included
Wrist fixing : 
wrist velcro included
Helmet fixing : 
stickable velcro inluded
10 years warranty
 
More info is on the manufacturer's website.