Useless. The instructions are vague and don't say what the options are. You can't change it to Psi as far as I can tell. The manual lists a website unavailable for more information. I strongly advise against buying them.
BFGoodrich g-Force Winter 2 185/65 R15 92T
49 Review
Watch CASIO Edifice EF-527D-1A
11 Review
π Pressure Sensor Breakout: Adafruit's Enhanced Portability
5 Review
Fuel Pressure Gauge - 1-1/2" Dial, 304 Stainless Steel Case, Liquid Filled, 0-100Psi, 3-2-3%, 1/8"NPT Center Back Mount
11 Review
Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review
π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review
π Dioxide Controller for Digital Gas Monitoring
5 Review
π§ UEi Test Instruments DAFM3B Digital Multimeter
6 Review