... .Thermal efficiency75% 3.Save energy25% The features of products1.Waved infrared heat technology,no fire,CO,more safety and healthy.2 ... kitchen appliance upgrade products,there is no high frequency hertz wave radiation,Panel is very shine as mirror,easy clean,healthy ... (mm)W(mm)H(mm)SHZ-01740470735SHZ-02740520735 No radiation Infrared Wave Oven(flavor wave oven)/infrared cooking oven