... *35MM 18 super bright LEDs, LED Spotlights replacement bulbs, 50,000 hours Life Time, warm white 2700k~ LED lampMR11,MR16, GU5.3 Base, 18/20 super ... lumens, 1.3W, equal to the output a 10W halogen lamp, 12VDC and 12VAC Or using 12V solar panel power operation ... LEDS Diameter: 50MM Life time: 50,000hours Power: 1.3W Angle: 20° Luminescence: 21 x 16.000mcd Operating voltage: 12V 1W MR11 LED lamp