DC Solar Peripheral Booster Water Pump. The handwritten mark on the upper right corner of the box indicates that this specific unit is a 24V configuration
Here are the standard technical specifications for this class of 24V DC solar surface pumps:
Core Performance Specifications
Operating Voltage: 24V DC
Rated Power: 180W to 280W (depending on exact sub-model tuning)
Maximum Flow Rate (Q.max): 1.5 m3/h to 2.0 m3/h (approx. 1,500 to 2,000 Liters per hour)
Maximum Head (H.max): 15 to 16 meters
Maximum Suction Lift: 5 meters
Inlet/Outlet Diameter: 1 inch (25 mm)