... Long lifespan: above 50,000h Voltage: 12V AC or 12V DC High luminous efficiency by using super bright LED Colors: white ... Medical lighting Portable lightingL-E27WAA21R: Color: cool white Color temperature: 6,000K Total luminous flux: 34.4lmL-E27BAA21R: Color: blue Wavelength ... luminous flux: 12.8lmProduct name:E27,3x1W,spot light,car lamp,led bulb,high power led,spot light,led,auto led, auto lamp,led ...