... 60 Hz/ 220V 50 Hz 5 sensor buttons LCD display cooker hood electric switchclock,timer,smoke sensor,110V 60 Hz/ 220V 50 ... , we have a good development team, we launch our new design products every month, customer requirement are the first, we offer ... OEM, design & requirement service !5, Certificate for products: CE, RoHS, UL,VDE ...