... sensor, 110V 60 Hz/ 220V 50 Hz 5 sensor buttons LCD display cooker hood electric switchclock,timer,smoke sensor,110V 60 Hz ... / 220V 50 Hz5 sensor buttonsLCD display Input Voltage / Frequency220 V 50 Hz / 110V 60 HzSpeedSlow,Middle ... products every month, customer requirement are the first, we offer OEM, design & requirement service !5, Certificate for products: CE, RoHS, UL ...