Wireless Cat Water Fountain Battery Operated 4L For Pets Dog Cat Water Dispenser Filter Chip Water Purification Core Let pets drink fresh water at any time! This automatic water dispenser has features such as a strong 30-day battery life, sensor water dispensing, and a large 4L capacity, allowing your pet to drink fresh water at any time. Features: 1. 30-day battery life for uninterrupted use. 2. Water sensor for automatic water dispensing. 3. Large 4L capacity for less frequent refills. 4. Wireless and portable design for flexible placement. 5. Three water dispensing modes for interactive drinking experience. Note: 1. It is recommended to change the filter cotton once a month 2. Replace the filter element every 2.3 months. Specifications: Color:beige, gray (optional) Model:   basic sensor model/ anti-dry burning/with light (optional) Material: PP+ABS+electronic components Rated power: 3.7W Charging time: about 3.5 hours Product capacity: 4L Sensing element mode: infrared sensing Charging port: Type-C (included) Battery: 2200mha Working voltage: 5V Safety functions: overcharge conservation, over-discharge conservation, over-current conservation, over-temperature conservation Applicable pet species: all pet species (cats, dogs, etc.) Dimensions: 21 x 18 x 15cm /  8.3 x 7 x 6 inches Weight: about 4000g / 18.14 pounds Water purification core packaging size: 3.8*3.8*6.3cm Gross weight: 26g Package list: 1 x water purification core