TOTO This is the TOTO toilet sound masking device (Otohime) YES400DR. It's a model used in public facilities and homes, playing the sound of running water when you wave your hand in front of it. --- 【Model Number】 ・YES400DR --- 【Product Contents】 ・Main unit ・Instruction manual ・Installation parts (as shown in the photos) ※Everything in the photos is included. --- 【Condition】 The protective film is still attached, and there are no noticeable signs of use, but please check the photos for the condition as it has been stored. --- 【Features】 ・Automatic playback with hand gesture ・Can be extended by waving your hand again during playback ・With STOP button ・Battery replacement indicator ・Simple and easy-to-use operation --- 【Important Notes】 ・Please confirm the installation method and compatibility yourself. ・Please purchase only if you understand that this is a used item in its current condition.