Scope of application: Suitable for pressure vessels, pipes, and valves that use water or hydraulic oil as the pressure measurement medium. Two pressure locking methods: Automatic and manual pressure locking options are provided to meet different application needs. perfect for professionals who need flexibility and adaptability during testing. Extended handle: Features thickened handle and pressure bar, and easy to use. perfect for individuals who prioritize tool and energy efficiency. Note: When installing the pressure relief valve, the pressure relief hole must be aligned with the water drain hole on the tank to prevent water from splashing on the ground or body during pressure relief. Wide range of applications: This static pressure pump tester is suitable for leakage water pressure testing of pipeline systems and heating devices. Colour:As Shown Material:Plastic+Metal Package Contents: 1 * booster pump 1 * Hose 1 * installation package Only the above package content, other products are not included. Note: Light reflection 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 +/- 1-3cm.