Lemonbest Pack of 2 pcs High Power 9W E27 Base COB PAR20 LED Flood Down Light Ceiling Spotlight, Cool White CoolWhite(6300-7000K) Beam Angle: 60 degree Non-dimmable, Please do not use dimmer switch Bulb Diameter: 2.4inches, Length: 3.4inches 48 hours aging time, 50000 Hrs Lifespan Guaranteed; 90% Saving on electricity bills, reducing maintenance cost Generally shipped via USPS, 7~12 business days arrival. Bulk orders or special orders can contact us for other shipping ways.