ITEM NAME:GY-521 MPU-6050 Module 3 Axis Accelerometer Analog Gyro Sensors 6DOF Module Product Description Description: GY-521 MPU-6050 Module 3 Axis Accelerometer Analog Gyro Sensors 6DOF Module DIY Kit Board Specifications: PCB Process for Gold Deposition. Using chips: MPU6050 + HMC5883L + BMP180 Power supply: 3-5v Communication mode: IIC communication protocol (fully compatible with 3-5v system, including LLC circuit) Dimension: 22mm*17mm*3mm/0.86*0.66*0.11'' Packing weight: 3g Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 x MPU-6050 Module.Included: 1 x MPU-6050 Module. Due to the different display and different light, the picture may not show the actual color of the item. If item is defective after 3 months, you can still send it back to us.