The AutoAqua Smart ATO Duo Kit is a compact automatic top-off system for both nano and medium aquariums. It combines two precise sensors in one package with a touch controller and built-in QST (Quick Security Technology), providing real-time protection against any failure and detecting empty water, offering an easy, safe, and efficient auto top-off option.

Features:

• The smallest ATO system available today
• Suitable for nano/medium as well as large aquariums
• Extremely easy to install with integrated magnetic base
• Dual optical level sensor provides double protection
• Touch controller displays operating status
• QST (Quick Security Technology) provides real-time safe protection against failure
• Audible alarm and LED light
• Everything needed is included

Includes:

• Smart ATO Duo controller x 1
• Power supply x 1
• DC refill pump x 1
• Universal Tube Holder x 1
• Siphon Break x 1
• Tubing 6.5 ft (200 cm) x 1