1, [Self-sealing Valve] Water Liquid Level Indicator Adopts Self-sealing Valve. When you remove the mounting screw, the self-sealing valve closes itself and cuts off the oil line. 2, [Superior Performance] Our tank level meter is assembled with Superior Performance, sturdy, crack proof, shock proof and anti leakage. 3, [Clear display] The level meter has reasonable structure, novel appearance, clear level display of liquid and liquid temperature, and a 3D sense. 4, [Simple Installation] The water liquid level meter is Simple for installation and you just need to get the size of the mounting holes and you can easily install it. 5, [widely used] the water tank level meter is suitable for mineral oil, oil in water, water glycol and other working environments, with a wide range of applications. Item type: oil liquid level gauge Material: alloy, glass Temperature: -20-100 Pressure: 0.1-0.15MPa Applicable medium: mineral oil, oil in water , water glycol Scope of application: hydraulic system Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin