ITEM NAME:HMC5883L Power supply:3V-5V Triple Axis Compass Magnetometer Sensor Module W9Q4 HMC5883L Power supply:3V-5V Triple Axis Compass Magnetometer Sensor Module W9Q4 Color:As shown Immersion Gold PCB,machine welding process to ensure quality. Name: HMC5883L module (three-axis magnetic field module) Use the chip:HMC5883L. Power supply:3-5v. Communication modes:standard IIC communication protocol. Package Included:1 x HMC5883L Triple Axis Compass Magnetometer Sensor Module Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Use the chip:HMC5883L. Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.