New material upgrade: transparent TPC conservation bucket, transparent dry and non-wet TPC bucket Color: white + transparent Control of the mobile application, as close as possible to animals thousands of kilometers away: Thanks to the Linglianmao mobile phone app, you can set an automatic and timed feeding plan, even if you are away, you can also use remotely, add a meal with one click. The machine stores the power plan, the built-in emergency power system and can put three AA dry batteries, and the plan can always be delivered on time when the network is interrupted or the power is cut . External power supply: using the USB-5V power supply, even if the animal bites by mistake, it will not suffer from electric shock or accidental injury The built-in battery automatically switches battery mode when the power is cut off, and the battery life is guaranteed for up to 30 days WiFi version: unlimited working distance, support timing quantization, support power-off memory, support auto key