Bluetooth single input digital manometer with a +/- 150 mBar input range. Use in conjunction with the TPI View app to perform full UK let/by tightness tests. Features backlit LCD display, 20 minutes auto shutdown and a zero readings function. Operates with inH2O, mBar, KPa and PSI units of measurement. Magnets on the back of the manometer enable safe hands-free working. Works with - iOS App - Android App Real-Time Read-Out Backlit LCD Display Auto Power Off in 20 Minutes Measures Up To 2.18psi/0.15bar Pressure in psi, bar, kPa, mmHg, inHg, mmH2O & inH2O 2 Year Guarantee Works with - iOS App - Android App Real-Time Read-Out Backlit LCD Display Auto Power Off in 20 Minutes Measures Up To 2.18psi/0.15bar Pressure in psi, bar, kPa, mmHg, inHg, mmH2O & inH2O 2 Year Guarantee