Altimeter Sensor measures Altitude from 0-10000 feet (0-3048 m) with approximately 4 foot (1 meter) resolution.
Spec:Max Altitude: 3048m (10,000 Feet) above sea levelResolution: 1m (4foot)Voltage: 3~16VWeight: 4g (0.15oz)Dimension: 28 x 16 x 10mm (1.1" x 0.62" x 0.4")Unit: Metric or English Units