... :34mm8.Lm:350-420LM9.Color temperature: white(2700-3500K),day light(4000K-4500K), warm white(5000K-6500K)10.Base:E2711.Packing ... working temperature:<62°C16.Environment temperature:-25°C~+45°C17.Light attenuation quotiety:2%-4%/1HK18.CE,ROSH Certificate19.Warranty:2yearsFeature ... ,GX23-2,E27,B22,E1464pcs350-420 34mm e27 led 4w corn light with CE ROHS product