
It has a weight scale sensor that activates the system when your cat steps on. The sensor on the LR3 is a lot more basic. Based on this weight minimum, the Litter-Robot 4 is better suited for smaller cats and kittens. The LR4 can support cats that weigh more than this minimum.įor the Litter-Robot 3, the minimum weight a cat needs to be in order to use it properly is 5 pounds. While the Litter-Robot 4 is suitable for a maximum of 4 cats and the Litter-Robot 3 is suitable for a maximum of 3 cats, keep in mind that there is a weight minimum for each litter box for its sensors to best detect the cats.įor the Litter-Robot 4, the minimum weight a cat needs to be in order to use the LR4 properly is 3 pounds. With these 2 sensors working together, LR4 activates and works even more safely than before. The Curtain sensor is positioned at the entrance of the machine and can sense your cat entering. The Smart Weight Scale sensor can sense your cat in the machine and record its weight. With the LR4, however, you get 2 sensors. This means that it can hold more litter and waste, which is ideal for homes with multiple cats.

This means that you won’t have to empty the litter box as often, and it’s great for households with multiple cats. It can hold up to 20 lbs of litter, compared to the Litter Robot 3’s capacity of only 14 lbs. CapacityĪnother benefit is that it has a bigger capacity than the Litter Robot 3. The Litter-Robot 4 comes with a new self-cleaning mechanism that maintains hygiene in the litter box more efficiently than its predecessor.

It is a step up from the Litter-Robot 3 in terms of features. LR4 is the newest model of automatic litter box from Litter-Robot. Let’s have a closer look at their differences. If you are in the market for an automatic litter box, you may be wondering if the Litter-Robot 4 is worth the extra money over the Litter-Robot 3. Strong, durable and easy-to-clean plasticĪuto, On and Off. Click here to check prices for new DEALS! Compare Litter Robot 3 vs 4: Crucial Differences and New Features Feature
