A power source designed specifically for the:
�How High Altimeter
�How Fast Airspeed Instrument

Simply plug your How High or How Fast into the
connector on the Battery Board to transform
your instrument into a completely self-contained
unit.

It's great for applications where an R/C receiver or other voltage source is not available or convenient.
�Free-Flight Models*
�Model Rockets*
Or use it to make a portable instrument to move from model to model.

Features:

�6 Volt Power Source
�Power Switch
�60+ Hour Battery Life
�Batteries Included (2x CR2016 Coin Cells)
�Size: 0.8 x 1.3 x 0.4 inches (21 x 33 x 10mm)
�Weight (with batteries): 0.2 oz. (6 grams)
�Works with all How High and How Fast products

*Also see our How High SP product which combines the How High and Battery Board.