Notice: This product is only suitable for 220V 50Hz power supply. If your power supply is 110V 60Hz, you can’t use this product.Not suitable for Canada, the United States and other countries using 110V 60Hz power supply.  This product is only suitable for 220V power supply. If your want to use it in the United States or Canada you need a transformer with AC 110V To 220V to use this product or prepare a DC 12V Battery with DC 12V To AC 220V power inverter to ues it.     Features: 【No UV or IR radiation 】: LED light source, CRI>80, 100LM/watt, energy saving. Environment friendly.  【NO flash, No blue】: High quality lens to ensure full light transmission, bright and soft light.  【Long Life】: Low LED heat, High-precision constant current power drive, long lifespan up to 50000 hours.  【Anti Insect】: DUST PROOF. THIN thickness of lamp shade.  【Voice control】: Voice control sensitivity: 50db ± 5db.     Specification: Voltage: 220V.  Light color: White.  Wattage: 12W / 18W / 24W.  Lamp Diamter: 24/32/38cm.  Light source: LED chips.  Color temperature: 6500K.  Material: PP cover Iron base.     Package Included: 1 x 12W / 18W / 24W Voice control Ceiling Light