This is a SUNSUN HXS-02 Multi-Function Electric Water Exchanger for cleaning aquarium gravel and sand.
Key Features: It functions as a sand washer, water changer, and dirt remover.
Specifications: The model features a 16W motor, a maximum flow rate of 800L/H, and an adjustable height ranging from approximately 65cm to 105cm.
Operation: The device uses automatic suction for a "one-button start," allowing for water changes without needing to touch the dirty water directly.