Compact & Versatile: Small size fits easily in fishing equipment bags, consistent 5–30 gallon containers, fish tanks, and breeding boxes in both freshwater and saltwater applications Three Selectable Oxygen Levels & Long Battery Life: Provides three working settings (continuous 1 / 2 and intermittent) with multiple battery capacities (2200mAh / 70h, 1500mAh / 40h, 800mAh / 20h), up to 19GPH oxygen production and 0.06MPa pressure for active underwater life Strong Build & Colorful Lighting: Reinforced ABS construction withstands impacts, with a sealed motor and cold resistant hose (15℃) Includes multicolor LED lights for an engaging underwater effect Unique Floating Structure & IPX7 Water Resistance: Features a stable disc appearance that rest buoyant without tipping, with IPX7 waterproof rating for complete submersion and water resistance Charging & Quiet Function: Includes secure power connection for tidy use and easy setting, paired with a sealed motor for undisturbed fishing, Manufacturer: CAZSTYK