Kindly Notice - If any issues of item, please contact us first, we can offer you the good after-sales service, thanks! ⛔ Do not place the device on carpets or mats as this may interfere with the sensors of the device and cause malfunctions. Please place the device on a flat floor and do not block the entrance to the cat litter box. ???? Compatible with cat litter - This product is suitable for small diameter tofu cat litter that can be clumped, mixed cat litter, bentonite cat litter, and mineral cat litter. Not suitable for tofu and mixed cat litter with a diameter greater than 3mm and a length greater than 15mm, as it can cause significant waste of cat litter. Do not use non clumping cat litter. Feature - ????【Integrated Safety Protection & Anti-Pinch Design】 DOEL automatic cat litter box, all-in one design, with 1 infrared sensor and 4 weight sensors for comprehensive monitoring and immediate pause for cat safety. Please be careful not to place the litter mat/carpet under the litter box to prevent weighing errors.????【APP Control & Health Monitoring】 The self-cleaning cat litter box is connected with 2.4GHz Wi-Fi. You can keep your cat litter box clean at anytime and from anywhere with TUYA app. With data pushed periodically, you are able to monitor your cat's weight and activity in real time. Please note that it supports 2.4GHz Wi-Fi Only.????【Self Cleaning & Universal Cat Litter】 Cat litter box self-cleaning system auto cleans after cat leaves the litter box (Need to set well in APP), and separates cat waste into the enclosed waste bin. Litter box is suitable for various clumping cat litter types with length