This audible altimeter fits in all Tonfly helmets and external audible ports.
The SOLO II™ is an extremely accurate audible altimeter. Through years of research, L&B has built an audible altimeter that is extremely reliable and accurate. We make it easy for you!
Durable rubberized coating
Upgraded circuit board & sensor
Super-thin, ergonomic, comfortable, curved design
3 selectable warning altitudes
1st and 2nd warnings: Different pulsating tones
3rd warning: High pitched siren
Choice of 1, 2 or 3 warnings
Easy and quick to set on the ground or in the aircraft
Altitude selection interval: 500 Ft.
Built-in mounting holes; fits any headgear, inside or outside
Actual Dimensions: 2 3/16” x 1 5/8” x 3/8” [56 x 41 x 11 mm]
Long lasting, easy to find batteries
Larsen & Brusgaard recommends: 2- RENATA CR-2325, 3 Volt batteries