Product Detail: Note: 1. Ignition method: Battery ignition. Clamshell battery cover: Add a D size battery (Package Not include) 2. Thread/Interface dual-purpose air inlet:20mm With the 770510mm 5 burners tempered glass built-in gas cooktop, you don’t have to sacrifice quality for price. It comes equipped with tempered glass surface and porcelain enamel grates for effortless cleaning and long lasting durability. The electric ignition and flame failure system ensure you a safe and convenient kitchen. This premium gas cooktop is dedicated to improving your culinary life! High Power Burners Safety Performance Durable Quality Premium Accessories Installation Type: Built-In Gas Type: Natural gas LPG gas Number of Burners: 5 Dimension: Product size: 770510mm(30.3″20″) Cut-out size:730470mm.