LEMONBEST&reg; High Power 7W LED Downlight Spotlight Ceiling Light Recessed Lighting fixture, Warm White 1x 7*1W non-dimmable WARM white led ceiling light Input Voltage: 110-245V; Cut-out: 86mm (D) - 3.3Inch Common problem resolution: If using a dimmer switch to control this non-dimmable bulb, the bulb may flicker or not top bright. Please try a normal on/off switch. Or contact us directly. Perfect for home use, office, store, super market, bars, cafe, exhibition, halls, museum hotel,window display and other lighting. 100% brand new & good quality. * Free shipping *