Kamoer ATO One SE 2 – Smart Auto Top Off System

Automatic Water Level Control for Nano and Medium Aquariums

The Kamoer ATO One SE 2 is a smart, compact auto top-off system designed for easy installation and reliable water level maintenance in nano to medium-sized aquariums.

It features an optical level sensor to maintain water stability and a float level sensor to prevent overflow. The system requires no parameter setup — simply install the sensors and refill pump, then power on.

Key Features

• Compact design perfect for nano and medium aquariums

• Optical sensor for automatic water replenishment

• Float level sensor for overflow protection

• Magnetic brackets for easy, adjustable sensor installation

• Audible and LED light alarms for status alerts

• Submersible DC refill pump included

• Optional reservoir float sensor available to monitor freshwater supply

• Plug & play operation — no parameter setting required

What’s Included

• 1 x ATO One SE 2 Controller

• 1 x Optical Sensor Bracket (large mouth)

• 1 x Float Sensor Bracket (small mouth)

• 4 x Plastic Magnets

• 1 x Power Adapter

• 1 x DC Refill Pump

• 1 x Tube Holder

• 1 x Siphon Break

• 1 x 1m PVC Tube

An ideal auto top-off solution for maintaining consistent water levels and preventing evaporation-related issues in reef or freshwater aquariums.