Triple Axis Accelerometer BMA220 (Tiny)/Allows Measurement Of Accelerations In 3 Perpendicular Axes And Thus Senses Tilt, Motion, Shock And Vibration In Cell Phones, Handhelds, Power supply: 2.0-3.6V Interface: I2C/Acceleration range:2g/4g/8g/16g Ultra Low Power/LED power indication Tiny size design and easy-to-use Compatible with Arduino controllersSize: 13x22mm(0.51x0.87")