No Power Required: Simply press the rim of your pitcher or cup against the star-shaped base to engage the nozzle. Muti-Function: The rinser could be shut down once you take off the vessels.Four powerful water spraying hole, provide multi-dimension cleaning. Energy Conservation: Water saving more than 70%, also won't freeze your hand in winter. Widely Used: A perfect tool for your bar, restaurant, pub, household, cafes, milk tea shop, etc. Applicable cup type: Red wine cup, beer cup, coffee cup, milk cylinder, beverage cup, tea cup, etc. No power required! It allows you to clean the milk deposits and coffee stain. The water will spray into the vessels and get them clean. The water will spray 360 Degree to clean the interior and exterior clearly and stop automatically when cup is moved . Great kitchen supply, efficiently save your time and with your families and friends. Perfect washing performance with cold water! The pitcher rinsers won't broke the glass and could clean the lipstick and other besmirch easily and clearly. Suitable for many types and sizes of beer glass/cup. Washing method: High pressure washing Mounting hole size: 22mm Colour: Silver + black Material: Brass, stainless steel and plastic Package Contents: 4 x Wash Cup tool Only the above package content, other products are not included. Note: Light 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.