Emeier&reg; High Power 4x G4 Base 48 LED Light Bulb Lamp 2.5W AC DC 12V/10V-20V White Undimmable LED Lamp Replace 17W Halogen Lamp Incandescent Bulb Replacement 360 Beam Angle Warranty Save electricity bill: Replace 17W halogen bulb by 2.5W LED, save 90% on electricity bill of lighting Long lasting working lifes,50,000 hours Low power consumption,save your power supply High luminance,360 Beam Angle Easy to install,just plug & play Constant current