12in 2 Burners Ceramic Cooktop. Press the lock button to turn on child lock, then all the button will be locked. Safe electric stove for kids and pets. The stove top will show “H” when the temperature of the glass panel is too high, better protect your safety. 24in 4 Burners Ceramic Cooktop. 30in 4 Burners Ceramic Cooktop. When the temperature of the glass surface of the electric ceramic cooktop is high, it will show “H”, proving that it is very hot, do not touch it. Compared with other sensor-touch electric cooktop, this 30 inch electric cooktop does not have complicated buttons. You only need to adjust the knob and choose 9 gears at will. Each burner corresponds to a knob, so it is very simple for elderly people to operate it. 30in 5 Burners Ceramic Cooktop. 30in 4 Burners Induction Cooktop.