Keywords: GY-272 3-Axis HMC5883L Compass Module Part No.:PMS072 Description: Color: Blue Material: CCL Chip: HMC5883L Power supply: 2.6~3.6V Communication mode: IIC communication protocol Package includes: 1 x Module Model No GY-272 Voltage Range (V) 2.3~3.6 Color Blue Dimensions (cm) 1.7 x 1.3 x 0.2 Weight (kg) 0.005