Eagle Tree brand Altimeter Micro Sensor V4 from Eagle Tree Systems.

Uses barometric pressure to measure altitude of radio control model
aircraft
May be used in standalone mode or with the Eagle Tree Systems V3 or
V4 eLogger
Displays maximum altitude on the built-in 7-segment LED display when
used in standalone mode
When connected to the V3 or V4 eLogger, altitude data can be
downloaded, displayed and graphed using the eLogger's Windows
software
Precalibrated, no user calibration required
Advanced temperature compensation
Metric or english units
One year limited warranty through Eagle Tree Systems beginning at
date of purchase

Altimeter Microsensor with Standalone Cable, eLogger Cable and
Instruction Manual

Altitude Limit: Approx. 20, 000 feet (6096m) above sea level
Resolution: Approx. +/- foot (0.3m)
Power Input: 4-16V (standalone mode)
Weight: 0.15oz (4g)
1.1 x 0.62 x 0.4 (28 x 16 x 10mm)
COMMENTS
Not compatible with the V1 or V2 versions of the eLogger
jxs 11/02/11
ir/jxs

Manufacturer information