The Einhell GH-DP 3730 Dirty Water Pump is a powerful and robust machine for emptying garden ponds, flooded basements and construction sites and will take particles of up to 30mm in diameter. The pump is equipped with a float switch for automatic on/off operation for a varying water level. It is made from high quality materials and has a durable construction for maintenance-free operation. The pump has a universal connection for 25mm (1in) and 32mm (1.1/4in) male thread hose connections, as well as a 1in male thread. Specifications:Mains: 230 Volt ~ 50 Hz. Power: 270 Watt.Delivery capacity max.: 9,000 litres per hour.Delivery height max.: 5m.Immersion depth: 5m.Weight: 4.3kg.