Windmax 30" 5 Burners Kitchen LPG/NG Glass Built-in Gas Cooktop Cooker 3.3KW Nub. Of burners:5 Cut-out Size: 724*474mm. (28.5*18.5 inch) Gas Type: LPG/NG. (Default NG ,if you want to connect with LPG gas, please remove the NG gas kit) Main Burner Heat Input: 3.3KW/h (11259 Btu/h);Burner Heat input: 3.3+2.75+1.35+1.35+1KW Gas Hob Panel: Tempered glass