Hi, I want to share my impressions from this dispenser. I bought it one year ago and recently bought a second because I was very pleased with its quality. The first one is still working and, by the way, I soon changed the original batteries. I use it in the kitchen, so it is put to daily use without problems up to this point. I'll put the new one in bathroom. There is only one catch, you should place it 40 cm off the surface or it should not be smooth. My solution is shown in the picture below.
Its capacity is 600 milliliters and uses 4 batteries