1、316L stainless steel material, can be used for a long time, even if it is used under humid, acidic and alkaline conditions, there is no problem. 2、IP67 waterproof and dustproof grade, the meter is waterproof, anti‑fog, dustproof, shockproof, and not easy to damage. 3、Standard red backlight, power supply with reverse connection protection, energy saving and environmental protection. 4、In order to make the pressure gauge work normally even under strong vibration, the harness connector is equipped with a buckle, which is firmly connected and not easy to loosen. 5、It is suitable for the whole series of water seepage meters, with the advantages of low power consumption, long service life and high accuracy. 6、Each of our meter will be shipped with a detailed product manual. The manual will clearly describe the installation, wiring and use of the product, so there is no need to worry about the situation that it will not be used after purchase.