A must have for all rocketeers! And a great price too. The Estes Altimeter has a 4 digit LCD read out and displays in English or metric untis. Accurately measures model rocket launch altitutes from 0 - 9999 feet (0 - 3000 m) and can store up to 10 consecutive flights!

It is so small that you can put it into any small rocket with A, B or C motors. It fits Estes BT-20 or Quest T-20 tubes.
Includes replaceable alkaline battery.

Length: 55 mm
Diameter: 17 mm
Weight: 12 g