I just received it and I will share my initial impressions. Initially purchased for 113 euros, I consider it slightly expensive compared to similar products on the market. However, it is generally worth it. I should note that I have a cat, not a dog.
(+) Positives:
1) Incredible build quality, the plastics, stainless steel, and feeder are magnetic, a construction marvel.
2) The Xiaomi app, well-known, reliable, and works wonders. You can program the meals for as many times as you want during the day, not in grams but in portions, which are about 5g each. So, if you want 20g of food, you program 4 portions. It can also dispense food manually either through the app or the button (can be reactivated).
3) In case of power outage, it supports batteries (4 AA), which are not included in the package but can be found at the supermarket. You unscrew a cap at the bottom, pull it upwards as indicated by the arrow, and the compartment for the batteries opens.
4) It has a special filter on the feeder (on the lid) that keeps the food fresh with the ingredients intact, as it claims, and obviously traps the smell (to prevent the space from smelling like food).
5) The kibbles do not fall out when you move the device, unlike other brands, and the cat cannot open the lid no matter how hard it tries. It has a very good mechanism and requires a significant effort with two human hands to remove the lid and access the food.
6) Like all Xiaomi products, you can easily find mechanical spare parts and filters on Chinese websites.
(-) Negatives:
1) You have to change the filter every month, which costs around 5 euros, and you cannot find it in Greece. You have to order it from abroad. I have already ordered 3 filters for 15 euros including shipping.
2) The most significant drawback, however, is that the feeder only supports round or oval-shaped dry food, as it claims. Anything else with a peculiar shape, star-shaped, square, etc., is not supported. Unfortunately, I have food with an irregular shape and I tried it, and the only thing I noticed is that it does not accurately calculate the dosage. I weighed 30 grams, put in 6 portions, and it didn't work. I made it 7 portions and after many attempts and measurements, it gives me around 28-31g, so I am within the range. It requires some experimentation, but you can find a solution. I am just concerned that it says not to put irregular-shaped food because it will damage the feeding mechanism. Luckily, I found a replacement for the feeding mechanism, so if it breaks, I will fix it.
I will provide an update for any new developments.