... hours Life Time, warm white 2700k~ LED lampMR16, GU5.3 Base, 20 super bright LEDs, LED Spotlights replacement bulbs, 60, ... , 1.3W, equal to the output a 10W halogen lamp, 12VDC and 12VAC Or using 12V solar panel power operation ... 12volt AC fixture and start to save on power consumptionBulb base type: MR16 21 LEDS Diameter: 50MM Life time: 50 ... : 21 x 16.000mcd Operating voltage: 12V MR16 LED lamp