This is a LEO stainless steel submersible pump, model 4XRm3/12-0.75.
It operates with a 0.75 kW (1 HP) motor and has a maximum head of 86 meters.
The pump fits in a 4-inch (approx. 98mm) diameter borehole and has a 1-inch outlet.
It comes with a 24-month warranty according to the label.