Specification Colour: Black and White Material: Cast Aluminum Voltage: 220V Power: 7500W Frequency: 50Hz Air Switch Requirements: ≥40A Cable Requirements: 4m㎡ Plug: Universal Without Plug Power Levels: 5 Heating Method: Cast Aluminum Heater Water Pressure Requirements: 0.04-1.2Mpa Waterproof Level: IPX4 Control Method: Remote Control / Touch Control Installation Hole Distance: 4.3cm/1.7inch Product Size: 22.5*21*7.5 cm/8.85*8.26*2.95 inch Package Size: 28*31*11cm/11*12.2*4.3inch Gross Weight: 2.5kg/5.5lbs Net Weight: 2.35kg/5.2lbs.