Features: Made of high quality material for durability and stability. It is suitable for self-priming pumps, jet pumps, garden pumps, water pumps, etc. When the system pipeline pressure reaches the upper limit, the power supply is automatically cut off and the pump stops working. When the system pressure reaches the lower limit, the power supply is automatically switched on and the pump starts to work. Totally automatic control without manual operation. Specifications: Condition: New Maximum Current: 10A Pressure Range: 1.0-5.0bar Pressure Setting: 1.4-2.4bar 1.4-2.8bar Interface Thread: ZG1/4inch G1/4 inch Protective Level: IP44 Working Temperature: 0-55 Color: Black Material: Metal+Plastic Package Contents: 1 x Pump Pressure Switch 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.