Optimized control electronics - control and programming via App (iTunes and Google Playstore) or manually via the controller- simultaneous control of several pumps possible- multiprogramming of pumps via master-slave or cross-flow possible- different flow patterns can be set- new flow pattern due to innovative impeller technology ensures extreme smooth running- polished ceramic shaft and bearings for quiet operation and low maintenance- power-saving D/C motor 24 V, high efficiency- 0 - 10 V connection for external control options- 24 V safety tension, incl. transformer 100 - 240 V / 50 - 60 Hz Technical data: Typ SmartDrift 3.1 SmartDrift 7.1 SmartDrift 11.1 For aquaria up to 300 l 800 l 1.500 l Capacity adjustable up to 4,600 l/h up to 10,500 l/h up to 16,000 l/h Power consumption 3 - 15 watts 8 - 25 watts 10 - 35 watts Power supply pump 24 V Power supply transformer 100 - 240 V / 50 - 60 Hz Protection rating IP X8 Dimensions app. ca. 55 mm, Ø 65 mm ca. 65 mm, Ø 75 mm ca. 70 mm, Ø 85 mm Magnet holder for glass thickness up to 10 mm 12 mm 15 mm Optional:Extension CordExtension cord 1.8 m, for cable extension between pump and controller. Please note: Only one extension cord per controller may be used. Never connect more than one extension cable to a controller as this may cause damage and void warranty.