1.Prevents food stealing and stress at mealtimes in multi-pet homes, keeps your pets healthier by controlling portions and helping to keep weight under control, saves money by not overfeeding expensive prescription foods and helping to avoid vet bills related to pet health conditions. 2.Great for Pets on Prescription Diets: Holds 13.5 fl. oz, wet or food. The lid closes to form a seal with the neoprene lip, helping to retain moisture and to keep food fresher longer. 3. Compatibility: Works with 9 (Avid Secure), 10 (FDXA) and 15 (FDXB) digit numbers; if unsure of your pet's number, you can check with your veterinarian, pet shelter or animal rescue. Automatic Cat Feeder opens when the assigned pet ID approaches, and closes when it moves away. Simple one button programming. This feeder is ideal for multi-pet households to prevent greedy pets becoming overweight and to prescription or life-stage food is consumed by the right pet. Color: White Material: plastic Package Contents: 1 x Pet Feeder 1 x grey single bowl 1 x grey split bowl 1 x grey mat 1 x RFID collar tag 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.