The wave maker includes 4 modes: adjustable mde, nutrient delivery mode, random wave-making mode and pulse wave - making mode which can meet different needs. Over 180° rotating, up and down to adjust the flow direction. Use low-voltage DC brushless control technology, safe and reliable, quiet operation. High performance, powerful water flow, and low energy consumption. Easy installation and maintenance. Fixed with magnetic suction. Stimulate the natural ecological environment, increase the filtering function which will make the aquarium cleaner and be conductive to the growth of fish. Suitable for sea and fresh water appliances. Model: CN-860 Watt: 10w F.Max: 4000L/H Tank Size: ≤ 100cm Voltage: 110-240v DC Voltage: 24v Frequency; 50/60Hz