Ultra-quiet operation is made possible by Sine Wave controller technology. Speed Control Settings for the New Digital LCD Wi-Fi Controller ranging from 30% to 100% in 1 W increments A digital representation of the power usage. Appropriate for both internal and external control Connection seals for input and output Better Head Pressure results compared to DCP models A new closed impeller design that operates more quietly Up to 65% less energy IC When there is no water, electronic detection provides automatic shutdown protection. Ceramic shaft that resists wear Qualities incredibly silent operation. Excellent performance with a cutting-edge electronic motor that uses up to 65% less energy. Automatic power-off protection when there is no water and IC electronic detection. Longer operation and life due to the ceramic shaft's resistance to wear. LCD controller with WiFi and a manual