This item was originally installed in a newly built house, but I ended up replacing it with a different water-saving showerhead, so I never used it. Please understand that this item has been stored at home. I will include the instruction manual. It's convenient to have a shower on/off button on the handle ^ ^ TOTO silver showerhead with comfort wave function, with instruction manual. - Brand: TOTO - Product Name: Showerhead TBW06001J - Color: Silver - Features: Comfort Wave Function - Notes: With instruction manual