Low NOISE and Compatible with ALL Cookware: 1). This electric burner equipped with latest infrared heating technology, can heating all kinds of cookware. And different from an induction cooker, it is low noise, fit for large and small pan, and could heating any pan-shaped cookware made of iron, stainless steel, aluminum, copper, ceramic or glass etc.(e.g., frying pan, woks and stove-top tea kettle) 2). Suitable for all types of pot and pan in 7.9inch maximum diameter, and weight up to 44lb 1800W and Internal and External DUAL HEATING COIL Design: 1). The burner adopt latest internal and external dual heating coils design, those 2 heating coil could work individually or together according to specific needs. Right Dual Coil 1600W max output power + Left Coil 200W, 1800W in total(As standard voltage and current LIMIT: 120V*15A=1800W)