Features:
- Digital display with blue LED
- Used to measure the oil pressure of automobile
- Measurement range is -14 psi to 40 psi
- Used to measure the pressure of vacuum pressure
- High accuracy and easy operation

Specifications: 
- Item Name: Boost Gauge
- Boost Gauge: -14 to 40PSI
- N.W.: 0.15kg

Installation Instruction:
- Connect Part 1 to Part 2. And powered by 12V.
- There are two buttons in Part 1.
- Press buttons and LED will flash.
- Press these two buttons to set alarm number.
- Press left button down & right button up.