JOYFAST Cat Water Fountain Cordless with 4 Packs Replacement Filters, 2.5L/84oz Automatic Battery Operated Water Fountain for Cats Inside, Easy Cleaning, BPA-Free, Water Shortage & Electricity Indicator Wireless & Rechargeable Battery Operated - The cordless design allows you to place the cat water fountain in your favorite corner and to get rid of pets playing with wires that cause electrocution. Getting Cats to Love Drinking Water - The cat water dispenser will release 15 seconds water automatically when pets into sensor area (40-45inches). Sound of moving water and turning trinkets will attach cats' interest, It effectively addresses cat don't like drinking water. 6 Layers Circulating Filtration System - Pet water dispenser not just self-circulation to keep water clean, but fitted with a filter. It is made of Eco-Friendly Shell, KDF, Ion Exchange Resin, Quartz Sand, Coconut Activated Charcoal and Cotton. 6x Superior filtering system provides cleaner and healthier water to cats. We recommend that replacing the filter and filter sponge every 2-3 weeks. Large Capacity Battery with Power/Water Shortage Indication: 4000 mA high-capacity battery to ensure a full charge can work for 60 days, with a power indicator and water shortage tips, you can meet the needs of your pet drinking water when you travel with your pet. Quiet & Easy to Clean: Near-silent even deep night, create a more peace comfortable environment for you and pets.Water and electricity separation make easy to clean the cat fountain.