This part is a kind of semiconductor called ADXL103.

Function of this product has Dual-Axis iMEMS Accelerometer.

Manufacturers : Analog Devices

Image and pinout :

Some of the text within the PDF file :

Data Sheet Precision ±1.7 g, ±5 g, ±18 g Single-/ Dual-Axis iMEMS® Accelerometer ADXL103/ADXL203 FEATURES High performance, single-/dual-axis accelerometer on a single IC chip 5 mm × 5 mm × 2 mm LCC package 1 mg resolution at 60 Hz Low power: 700 µA at VS = 5 V (typical) High zero g bias stability High sensitivity accuracy −40°C to +125°C temperature range X and Y axes aligned to within 0.1° (typical) Bandwidth adjustment with a single capacitor Single-supply operation 3500 g shock survival RoHS compliant Compatible with Sn/Pb- and Pb-free solder processes Qualified for automotive applications APPLICATIONS Vehicle dynamic controls Electronic chassis controls Platform stabilization/leveling Navigation Alarms and motion detectors High accuracy, 2-axis tilt sensing Vibration mon [ ... ]

ADXL103 PDF Datasheet Download