Pressure Rating: Most models of this specific red and black design are rated for up to 5000 PSI (Pounds per Square Inch), making them suitable for stubborn dirt and professional-level cleaning.Modular Design: This tool typically has a 3-in-1 modular design, allowing you to use it in three different lengths (approximately 9", 24", and 40") depending on the number of extension wands attached.Trigger Safety Lock: The handle includes a safety locking mechanism to prevent accidental water discharge.Connections:Inlet: It usually uses an M22 fitting (14mm or 15mm) to connect to a high-pressure hose.Outlet: The end of the wand features a 1/4-inch quick-connect fitting, which is the standard for attaching different nozzle tips (typically color-coded for various spray angles)or foam cannons