Permanent magnet all copper wire 500W Small Hydroelectric Generator Household AC 220V Silent Permanent Magnet Generator

The water ingress diameter of the 3000-watt model is 11 cm.
There are 3 bearings of model 6206, 1 on the top and 2 on the bottom; the outer packaging size is approximately 50x39x56 cm; the net weight is approximately 65 kg; the 3000 model requires a drop height of 18-40 meters and the water volume should be maintained at a level of 11 cm pipe diameter. 
1500-watt model
Inlet diameter: 7.5cm
3 6024 type bearings, 1 on top and 2 at the bottom; Outer packaging size: approximately 43x36x43cm; Gross weight: about 42kg;
1500-watt model requires a drop height of 12-28 meters, and the water level should remain filled to a depth of 7.5cm in the pipe.