Update R.I.P June 2018Bought it November 2015Lasted for 2 1/2 yearsCause of sudden death, electronic controls inside the unit failed, I replaced the battery still I was unable to revive it.I think that 2 1/2 years is too short of life expectancy, I was expecting it to last for at least for 4 to 5 years.Complicated electronics inside which do not seem to last.Lesson learned I replaced with a countertop with regular on/off switch, no batteries, no PCB boards.Back to basicsI bought this ToiletTree after my old tank counter top Waterpik stop working (8years), and the hose broke.The reason why I choose the ToiletTree is that on April 2014 I bought my dad a similar unit model # TTP-Pro2000w. (The second generation)It’s been over a year, and my dad is very happy with his unit, he had zero problems with it.So having a good feedback from a family member, the obvious choice was to get a new unit from the same manufacturer. When I find a product that works, and it’s reliable I do not feel like experimenting with new things.So my dad and I sat down, and compared both products side by side, to see what changes the manufacturer have done after a year, and if the changes are positive or negative.Below are pictures of the new model and the older one side by side.Both units have the same size, shape and almost the same weight (very little difference between both)The new one that I got has the refill on the bottom of the tank, which it’s more comfortable to do than the older one; on both of them you can slide out and remove the water tank for either filling or to empty, and dry out the tank.The new one its inductive charging, which means that you only leave it on its cradle to charge, there are no physical metal contacts between parts or cables that you need to plug in to charge the unit, I went for this design since I have an Oral toothbrush that also charges by induction, and it has proven to be reliable and without complications.The new one has a press button to release the head and then pull out, the older one it’s just pull. I am guessing it’s a safety feature, so the head does not come out by itself while working (something that never had happen to my dad).The other cosmetic changes are the tank that was changed from an opaque blue, to a clear blue, and the sticker for the buttons, which still carries the same functions.Overall the manufacturer has improved the design, without doing drastic changes, something that I agree with.Performance wise, the old Waterpik counter top had more water volume, and more pressure. But in the other hand the Waterpik counter top is much noisier (tack, tack, tack noise that was very loud), I had to stretch a lot the hose to reach my mouth (I am 6’2”), and it takes too much counter space.I already did my first flossing with it, the product does the job that is intended for, it is more comfortable for me to use this cordless unit than the older counter top with the hose.I have large hands, and it is very easy for me to hold it in my hands, I think that a kid or an adult with smaller hands may not have the same opinion, so I recommend that you read other reviews, and opinions with regards to the size of the unitIt’s a matter of choices, I am new at using a portable cordless irrigator, and I see in it a lot of advantages compared to the counter top irrigator, I will update this review in a couple of months to give a better feedback.I hope the review is helpful, if you have any questions or comments please let me know. Happy water flossing!Pictures below, left new induction charger model, right the older plug-in charge model, and tank removal.