Dell Inspiron 15 5000 Setup And Specifications page 20

Altitude (maximum)
* Measured using a random vibration spectrum that simulates user environment.
† Measured using a 2 ms half-sine pulse when the hard drive is in use.
‡ Measured using a 2 ms half-sine pulse when the hard-drive head is in parked position.
20
Operating
–15.2 m to 3048 m (–50 ft
to 10,000 ft)
Storage
–15.2 m to 10,668 m (–50
ft to 35,000 ft)