A MUST FOR BUSY PET-KEEPERS: If you travel frequently and worry about your small pet not having enough water, this 500ml water bottle is ideal. It helps keep your pets hydrated while you are away without making a mess in their cage. VERSATILE USAGE: This water bottle can be attached to the inside or outside of the cage based on your preference. For pets that are playful or active, installing it outside the cage is recommended. The water feeder can be easily snapped on or off for quick cleaning and refilling. QUIET HYDRATION: Designed with a gravity flow system, this automatic water dispenser controls water flow to help prevent overflow. It operates quietly, providing a peaceful drinking experience without the noise commonly associated with ball-bearing water bottles. IMPROVED COMFORT: Compared to traditional water bottles and bowls, this hanging water dispenser offers a more comfortable and hygienic drinking solution. Adjustable mounting allows you to set it at the ideal height, so your pet doesnt need to strain their neck while drinking. DUST-RESISTANT AND LEAK-RESISTANT: The sealed design helps prevent leaks and keeps dust and debris out. This helps maintain cleaner water, reducing the risk of contamination and minimizing prolonged moisture exposure that could irritate your pets chin.