Product Specification Material: Food-grade PC Item Color: Fully Transparent(Let your pets see the water clearly) Maximum Capacity: 2.0 liters Item Size: approx. 16.5x15.5x16.5cm(L*W*H) Product Weight: 700g Filter Replacement Time: 1.The Charcoal Filter it is better to be exchanged every month to achieve good filtering effect. 2.In intelligent sensor mode, Charcoal Filter better to be exchanged every 2 months. 3.It is better to reserve an Extra 2-3 PCs Charcoal Filter for your pets! Friendly Tips: Please clean the pump regularly to extend life. Warm Notes: About the motion sensor, which can be adsorbed on the glossy and smooth surface only, the matte wall or floor does not meet the conditions.(It can be adsorbed to the fountain body)