Micro Pivoting LED Spotlight - 1 Watt High Power LED Lamp - Tiny Size, Cool White LED, 12 to 28VDC Tiny design - just 1 5/8" in length and 7/8" in diameter Works directly on 12 to 28 Volt DC with the included current limiter - ideal for RV, automotive, boating and utility vehicle interior lighting needs Powerful 1 Watt LED produces a bright, cool white (5500K) light Pivoting head design provides small adjustment in beam location Extremely small yet powerful utility lighting fixture - see our other listings for a 90-220VAC version designed for interior / home use