Numbers and pointer clearly show the press / vac.</br>Blue LED light for easy reading in the darkness.</br>Measurement range is 0~30in.Hg / 0~30PSI.</br>High sensitivity and easy operation.</br>Used to measure the pressure of automobile turbo.</br></br>Product Description</br></br>The turbo boost gauge measures the pressure of automobile turbo and points out the numbers with high sensitivity and accuracy. Beautiful blue LED light on the dial is designed for easy reading in the darkness. <br> <br> <b>Specifications:</b> <br> Color: Silver <br> Unit: in.Hg / PSI. <br> Measurement range: 0~30in.Hg / 0~30PSI <br> Power: 12V DC?? Max. 0.3A