Burner: Jumbo-1, Medium-1, Small-1   Features: Hybrid Design Hob Counter Top Model Quality Precision Gas Valve High Quality Ergonomic Knobs for firm grip Removable Double Drip Tray for easy cleaning Extra Space Between Burners for large utensils Specifications: High Thermal Efficiency Forged Brass Burners Heavy Pan Supports Ergonomic Designer Knobs Toughened 8mm Glass Top Removable Stainless Steel Double Spill Trays Precision Gas Valves Care Instructions: Please Read Instruction Manual before Installation of Glass Cook Top (1) Rotate all the Knobs 8-10 times before Installations the Glass Cook Tops (2)Do nor spill/pour cold water when Top Glass is Hot (3) Do not repaired on your own call only authorized person from customer service Warranty: 24 Months Warranty