Kiven Tubular Dimmable Instant On Filament Led bulbs 4W 110V T10 Led Light Bulb 360 Degree No Flickering No Stroboflash For Wall Light Desk Light (Soft White 2700k)(Equivalent 40w Incandescent Light Bulbs) We focus on the dimming effect and the compatibility of the bulb to the dimmers. As it has very smooth dimming effect and no visible flickering problem.When its on,it likes the incandescence light bulbs, Without metal radiating,make it more elegant Beam Angle:360Viewing Angle prefer for wall light desk light,light fixture Bulb Size:5.1inch(12.7cm)* 1.18inch(3cm) Lifetime:30000 hours Dimmable:Yes Color temperature:2700K(soft white) Cooltotouch CUSTOMER GUARANTEE ---We provide worry-free 12-month warranty and friendly customer service.If you have any questions about our moon lamp, please contact us and we will try our best to help you!