The Amphibious IQ 2250-4500 is an energy-saving pond pump for filters and waterfalls. The pack contains a pump, controller, hose tails and complete set of fittings. Though economical and low-maintenance, the pond pump doesn\'t sacrifice power and uses a digital motor technology that consumes approximately 30% less energy than similar pumps. Key Features - Motor Protection System: if the motor jams, the motor protection system will stop and alert you to the issue. Once you have removed the debris clogging the motor, the pump will safely restart. The impeller is clearly marked to help you check for possible blockages without having to take the pump apart. - Run Dry Protection System: if the pump runs out of water, the system will instruct you to top up the water before the pump safely restarts. - Flexible Power Usage Control and Display: stop, start, increase or decrease power and flow at the touch of a button to optimise performance and save energy as you wish. - Soft Start: upon startup, flow will gradually build to your pump\'s preset position, reducing wear on the pump, pipework and filters. Position your pump any way up in your pond – evenly distributed holes in the casing will ensure that water flows to the pump from all angles, meaning that the pump will continue to work even if partially blocked by debris. The pump is adjustable to suit all ponds and seasons. Wattage: 15-25w Guarantee: 3 years Power cable length: 10m Controller cable length: 1.5m Pump cable length: 8.5mMinimum flow: 2,250lph Maximum flow: 4,900lph Maximum head height: 3m Outlet size: 20/25/32/40mm Latest digital motor with on-board microprocessor