Powerful Oxygen Supply Engineered with a efficiency air mechanism and twin oxygen pathways, this pump caters to freshwater and saltwater tanks alike, delivering strong and steady aeration that assists thriving underwater habitats effectively. WhisperQuiet Usage Enjoy quiet energy saving performance with sound levels below ambient noise, achieved through an energyefficient circuit design that minimizes disturbances. Adaptable Floating Structure Featuring an adaptable floating structure and a travelfriendly design, this air pump is lightweight, waterproof, and crafted to improve user experience without compromising functionality. Longlasting Runtime Provides over 20 hours of continuous runtime, supporting multiday aquarium air pump functionality via smart battery management designed to sustain prolonged and steady usage. Use scenarios Regular tank maintenance for freshwater and saltwater aquariums: continuous, reliable aeration helps maintain oxygen levels for fish, plants, and beneficial bacteria. Backup power during outages or in locations with limited mains access: long runtime and smart battery management enable extended operation without frequent recharging. Travel, temporary setups, or remote installations: lightweight and waterproof design with adaptable floating structure makes it easier to deploy in varied environments. Key attributes Function: provides aeration for both freshwater and saltwater tanks; features twin oxygen pathways for robust air flow. Compatibility: suitable for freshwater and saltwater setups. Size and weight: described as lightweight and travelfriendly. Material and build: waterproof construction supporting outdoor or damp environments. Performance: efficiency air mechanism, quiet operation, and over 20 hours of continuous runtime with smart battery management.