It is normal to have some wear and tear due to long-term transportation If the product cannot be used, please contact customer service immediately. ? Efficient Heating: The electric cooktop 4 burners reaches high power output of 6700W—Top Left: 1200W/Top Right: 1800W /Down Left: 2500W (Dual)/Down Right: 1200W. There are 2 heating coils in one of the hotplates reach 2500W for fast boiling and searing. ? Electric Cooktop with Knob Control: No complicated buttons, easy to operate and use. It is very suitable for the elderly, suitable for people with poor eyesight, not only is it easy to use, but the feeling of rotating the button by hand is more reliable. Prevent children or family pets, cats from accidentally touching the switch button. ? Safe & Reliable: The hob can be used with any pots and pans in your home. This Smooth-top Electric Stove Top has multiple protection functions for reliable use; The electric cooktop robust heat indicators for every heating zone, and automatic shutoff in the case of dangerously high heat. ? Modern & Minimalist Design: The electric stove top with black ceramic glass resists high temperature and is durable for use; Built-in design could save space and fit perfectly with any kitchen counter. ? Size & Precautions: Cooktop Dimensions W x D x H: 30.31″ x 20.47″ x 2.17″, Cut Out Size: W 29.13″ x D 19.29. We provide free replacement service for 18 months and the best customer service.