Controller Features Unique multi-function digital controller with touch button pad Back-lit LCD colour display with adjustable screen brightness Multi-language display with screensaver 4 different flow modes Adjustable minimum and maximum power settings in wave and pulse modes. Adjustable maximum power on pump mode Feed mode and on/off functions Run-dry detection with automatic shutdown function Detachable mounting bracket The D-D Funktion pumps are a multi-function DC pump with a unique digital controller, featuring three wave modes and a constant running setting. These pumps are suitable as a return pump, for running media reactors or as a closed loop pump (5000/6500/10000/15000/20000 models only). Suitable for salt or freshwater use, the sine wave technology and low voltage motor offers ultra-low running noise, low heat output and energy efficiency. Features • Full range of high flow pumps with a compact footprint • Unique digital controller with 3 wave functions and a constant flow mode • Allows you to pulse your return for additional variable water movement in your aquarium • Sine wave technology for low running noise • Low voltage • Energy efficient motor • Suitable for saltwater and freshwater • Wear and corrosion resistant ceramic shaft and bearings • Detachable footplate with anti vibration rubber feet • Splash proof connection between the pump and controller Pulse Your Return Pulse your return using the special controller on PULSE mode, so that the water returning from your sump through your return nozzle into your aquarium acts as an additional source of variable flow. The change from the high and low flow on the pump is so rapid that the water level in the tank does not change, so you get no additional noise through the overflow. Flexible Installation Options • 5000, 6500, 10000, 15000 and 20000 models can be installed externally • All models are fully submersible • Pump outlet can be positioned to face upwards, left or right • Standard suction cage included for normal submerged use • Quick couple unions included for simple pump removal • Multiple pipe connections included Elephant Nose Each pump comes with a special ‘Elephant Nose’ suction attachment included in the box. This suction nozzle allows you to draw water from the bottom of the tank or sump which removes the problem of surface vortices, reduces bubble carryover from the sump and scavenges detritus to be dispersed in the water for removal by your ClariSea.