ITEM NAME:Electronic Compass Module GY-271 QMC5883L Triple Axis Compass Three Axis New 1x Descriptio n Description: High Quality Immersion Gold Pcb Machine Welding Processes, Quality Assurance Specifications: Ame: QMC5883L Module (Three-Axis Magnetic Field Module) Model: GY-271 Chip: QMC5883L Power Supply :3-5v Means Of Communication: IIC Communication Protocol Measuring Range: Â ± 1.3-8 Gauss Chematics, Manuals And Reference Documentation Of Relevant Data 51, The AVR Microcontroller Test Code Package Included: 1 * Electronic Compass Module Note: 1.Due To The Manual Measurement And Different Measurement Methods, Please Allow 2-3mm Deviation. 2.Please Be Reminded That Due To Lighting Effects And Monitor'S Brightness/Contrast Settings Etc, The Color Tone Of The Website'S Photo And The Actual Item Could Be Slightly Different. Whatever the ending's perfect or not, you can't disappear from my world Electronic Compass Module GY-271 QMC5883L Triple Axis Compass Three Axis New 1x.Chip: QMC5883L. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. We'd like to settle any problem in a friendly manner.