Dear Friends ,we are the leader of smart pet manufacturer more than 13 years,our strong RD Team have 10 people who more than 10 years,can meet you all needs,also we can support light customization,we are so confident that our products will help you occupy the big market ,receive many countries and people good reviews, These are our hot products 4L smart pet feeder  ,have two version ,wifi version and camera version,here is the video how to use the TUYA app,it can help you use it better