Please use the drop-down menu to select your preferred model. The following options are available: AutoAqua Smart ATO Micro Top-Off System, AutoAqua Replacement Pump (fits all 3), AutoAqua Spare Float Switch, AutoAqua Smart ATO Micro. The Smart ATO Micro is an automatic top-off system that monitors and refills evaporated water. It is designed for easy installation and contains no moving parts. This system includes QST (Quick Security Technology) for real-time fail-safe protection. The optical sensor can be adjusted to set the desired water level in your sump. Features: - Compact design - Contactless optical water level sensor – no moving parts - QST (Quick Security Technology) for real-time fail-safe protection - Simple setup - Helps maintain stable water and salinity levels in marine aquariums - Compatible with most aquariums or sumps with walls up to 1.2 inches thick Specifications: - DC feed pump model: DP-200 - Brushless motor (30,000 hours lifespan) - Max head height: 200 cm - Flow rate: 280 L/H - Power: 4.5W at 12V DC Note: Can be connected to another pump or solenoid valve directly (under 10W at 12V DC output) Condition: 100% Manufacturer: China Friendly Tips: - Minor measurement variations may occur due to manual measurement. - Actual item color may vary slightly due to different screen displays and lighting conditions. Package Included: - Controller/Sensor - Power adapter - DC brushless pump (up to 200cm head height, 280L/H flow rate) - 2m water tubing with magnetic mount tubing holder - Unique siphon breaker