Feature: The steaming pitcher rinsers is an efficient way to clean all cups and vessels. It allows you to clean the milk deposits and coffee stain. The water will spray into the vessels and get them clean. No power required! The rinser could be shutdown once you take off the vessels. Great kitchen supply, efficiently save your time and have a good time with your families and friends. Water saving more than 70%! Energy saving and enviromental! 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 glass/cup! Compact and light, you could put it anywhere! Parameter: Vessele diamater: Fit for the cup/glass with 2.6-22cm diameter Washing Speed: 800 pics/h No power, pls use cold water Installation: 1. Put filter in the hole on the buttom of the water tank, the hole diameter should be 22mm; Operation: 1. Put tab into the brush containter; pull glass/cup up and down or rotate it. The brush will clean the interior and exterior of the glass clearly. 2. Water will stop automatically when cup is moved away. And the wasted water will flow from the drain hole on the bottom. 3. Dry the cup/glass with towel or put it on the shelf.