The cover is made of stainless steel (corrosion resistance is better than 304) High temperature resistance, chemical resistance, abrasion resistance, IP67 waterproof and dustproof grade The meter comes with an alarm signal and does not require an additional alarm signal from the sensor. High brightness LED for backlight, high brightness and long service life Name: 52mm Universal Car Oil Pressure Gauge Fixing dimension: 52mm (2 inch) Indicating range: 0-5bar 0-73psi Working voltage: 12V/24V color: white Material: stainless steel Package Contents: 1 x Oil Pressure Gauge 1 x Power Strip Socket 1 x Chinese and English Instructions Only the package Above, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.