This is the 3 Axis High G G-Force MicroSensor from Eagle Tree Systems.

FEATURES: For recreational use in radio control aircraft and model rockets
          Standalone or eLogger V3 or V4 compatible-when used standalone
            acceleration is displayed on the seven segment LED display-when
            connected to the eLogger, acceleration for each axis for the
            entire flight can be displayed and graphed using the eLogger's
            Windows software
          Measures changes in acceleration in the X, Y and G axes
          Precalibrated-no user calibration required
          One year limited warranty

INCLUDES: 3 Axis High G G-Force MicroSensor with Standalone Cable and
            Instruction Manual

SPECS:    Acceleration Recording Limits:
            GFORCE-LOWG: to at least +/-7 g (up to 8 g) in each axis
            GFORCE-HIGHG: to at least +/-38 g (up to 40 g) in the X and Y axis
            and at least +/7 g (and up to 8 g) in the Z Axis
          Resolution: Approximately 0.05 G in each axis
          Power Input (standalone mode): 4 - 16V (4 - 6V with High G Sensor
          Weight: 4 grams (0.15oz) approximately
          Dimensions: 1.1 x 0.62 x 0.4" (28 x 16 x 10mm)

COMMENTS: Not compatible with the Eagle Tree eLogger V1 or V2 or Data Recorder
            products.

                                                                   jxs 12/13/11
                                                                         ir/jxs