his ultra bright 15-LEDs (White) MR11Spotlight Bulb can be plugged into your 12 volt halogen fixture. Run it for twelve hours a day for a whole year at a cost of about 80 cents. This LED light bulb should last about 10 years, and works well with a dimmer switch. LED bulbs are compatible with all types of magnetic transformers but not all electronic transformers. Many electronic transformers require a minimum load which is greater than that provided by LED bulbs. LED bulbs will usually not work properly (no light output, flickering, and strobing) in fixtures that have integral electronic transformers in each fixture. We recommend changing the power LED power supply which can be purchase in our website. In addition, many standard Track Light power supplies will produce voltages as high as 16 with little or no load (LED bulbs provide little load). You must make sure that the voltage of your existing power supply does not exceed 14 Volts with the LED bulbs installed.

• Bulb Type - MR11 15 White LED G4 Base
• Life time - 30,000 Hours
• Operating Voltage - 12 V AC / DC
• Consumption - 1 Watt