DIGITEN Aquarium Auto Top Off Water Filler System Fish Tank Smart ATO Refiller Coral Reef Tank Automatic Water Level Controller

Features: 🐠【Easy to Install】The aquarium auto top off system is extremely to install and maintain. Easily install on terrarium with a wall thickness of no more than 5/8 inches (16 mm). The range from the top of the tank to the water level is 0-6.7 inches (0-17 cm). The durable PC material adjustable bracket can be fixed in the terrarium according to different water levels. 🌿【Integrated Design Without Setting】Plug and play, easy operation. Anti-overflow protection design and will automatically cut off power when water level is too high. 💧【Double Protection】Accurate dual-float water level sensor can provide over-filling protection. When the water level drops below the lowest water level, the power supply will be activated and the water pump will work automatically and shut down when the water level reaches the highest water level. When the first float fails, the second float will work. 🐚【Relay Control】The controller of the ato system integrates a relay and a stable circuit to protect th