Model:3L Color white Detachable:Detachable Application support required:yes Applicable objects:dogs and cats 1: [Moisture-resistant packaging box]: This product adopts a lockable lid and a frosted barrel to prevent deterioration from sunlight. The complete lid is sealed, the grain outlet is closed, and the fresh-lock drying box is multi-layered to prevent moisture. 2: [Dual power supply system] This product adopts a dual power supply system, which can continue to provide food when the power is cut off. The built-in backup power supply system can accommodate 4 AA batteries. If the network is unexpectedly disconnected or the power is cut off, the scheduled food delivery can still be maintained on time. 3: [Remote control]: this cat bowl can be controlled remotely via the app, making it easy to feed cats and dogs, and it can be easily fed even when you are working, on business trips, or traveling thousands of miles away. 4: [Food shortage reminder]: This cat bowl is a transparent food storage barrel of 3 L with a slight food shortage reminder from lotus root. The transparent barrel makes it easy to observe the food status. 5: [Easy to maintain] This cat bowl can be disassembled in 5 seconds and washed immediately. The bowls and the grain storage tank are washable, but the main unit contains electronic components that cannot be washed. [French company and brand TECH DISCOUNT]: Our company TECH DISCOUNT manufactures and sells this premium product compared to similar products on the market (Even if the photos are similar, they are not designed the same).