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 easy to install and contains no moving parts. This ATO features QST (Quick Security Technology) for real-time fail-safe protection. Adjust the desired water level by positioning the optical sensor 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 and sumps with walls up to 12 inches Specifications: - DC feed pump model: DP-200 - Brushless pump (30,000-hour 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: and high quality Manufacturer: China Friendly Tips: - Slight measurement variations may occur due to manual measurement. - Actual item color may vary slightly due to lighting and display settings. Package Included: - Controller/Sensor - Power adapter - DC brushless pump (pumps up to 200 cm height, 280 L/H max flow rate) - 2m water tubing with magnetic mount tubing holder - Unique siphon breaker