SMAKN&reg; 5V/3.3V MMA7455 Digital Acceleration Tilt Angle Sensor Module I2C/SPI Product Name : Digital Acceleration Tilt Angle Sensor Module; Model No. : MMA7455 Digital Output : I2C/SPI Total Size : 2.5 x 1.3 x 1.1cm/1" x 0.51" x 0.41"(L*W*H); Material : Plastic, Electronic Part