Specification Brand : MagTool BulletPoint : 【AUTO-SHUT-OFF PROTECTION】Considering that the users will forget to add water, we have added a Auto-Shut-Off protection switch inside the pump. When the pump is running-dry, it will automatically cut off the power,Don't worry that there is no water in your fountain, which will cause the pump to burn out. BulletPoint1 : Dual High-Precision Optical Sensors: Equipped with two advanced optical sensors—one monitors water level to trigger timely replenishment, while the other prevents overflows, ensuring your aquarium maintains a stable water level and avoids excess water spillage. BulletPoint2 : Compact Design: With a minimal footprint of just 0.8 inches, this ATO system features integrated 1mm high-precision sensors, making it perfect for both rimmed and rimless tanks of all sizes, without taking up valuable space. BulletPoint3 : Safety Features: In addition to the anti-overflow sensor, the ATO system includes a sophisticated algorithm to prevent water overfilling. Upon startup, it assesses your tank size, calculates the required water refill time, and sets up safeguards to avoid any accidental overflows. BulletPoint4 : Complete Set of Accessories: The package includes a 12V DC water pump (1.5x1.5x2.0 inches, 74GPH, 8.2 ft head), power adapter, anti-siphon check valve, 1.5-meter water pipe, mounting bracket, user manual, and ATO controller—everything you need to set up and run your system. BulletPoint5 : Versatile & Reliable: Designed for both freshwater and saltwater aquariums, this ATO system is perfect for various setups including AIO tank sumps, bottom-filter sumps, and freshwater display tanks. Plus, it comes with a warranty for your peace of mind. Color : Black CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 884710565567 ExternallyAssignedProductIdentifier2 : 0884710565567 IncludedComponents : Sensor, Power adapter, Pump IncludedComponents1 : wave maker IncludedComponents2 : controller ItemDisplayDimensions_Height : 2.7 inches ItemDisplayDimensions_Length : 2.9 inches ItemDisplayDimensions_Width : 1.9 inches ItemName : MagTool Aquarium Auto Top Off System, Aquarium ATO LITE with Dual Optical Sensor for Both Reef and Fresh Tanks(GREEN) ItemPackageDimensions_Height : 14.7066 centimeters ItemPackageDimensions_Length : 8.7122 centimeters ItemPackageDimensions_Width : 13.9954 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : aquarium-water-pumps Manufacturer : MagTool Material : Plastic MaximumFlowRate : 3.6 gallons_per_minute ModelName : Duetto ModelNumber : HF-ATOLITE-GR25 PackageLevel : unit PartNumber : WV_MK_BLU_1100GPH PowerSourceType : Corded Electric ProductDescription : MagTool Aquarium Auto Top Off System, Aquarium ATO LITE with Dual Optical Sensor for Both Reef and Fresh Tanks(BLUE) ProductSiteLaunchDate : 2025-01-02T07:08:29.011Z Size : 12V SpecificUsesForProduct : Aquarium Style : Green - Pump(12V) SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 40151500 Voltage : 110 volts Wattage : 15 watts