Bmp180 digital barometric high precision pressure sensor board module the bmp180 is a high-precision pressure sensors, small size, low power consumption, and can be used on mobile devicESPressure range: 300~1100hpa (elevation 9000 m ~-500 m) power supply voltage: 1. 8v~3. 6v (vdda), 1. 62v~3. 6v (vddd) lcc8 package: Lead-free ceramic carrier package (lcc) size: 3. 6mmx3. 8×0. 93mmlow power consumption: 5 ?a, in standard mode its excellent performance and lowest absolute precision can reach 0. 03hpa, and extremely low power consumption, only 3 ?a.