Wall Eye II - 12 volt WARM (3000 K) 2 watt CMD Flat LED - Low-Voltage Landscape Light for Retaining Wall, Column & Stair Night Time Safety Illumination - Brushed Stainless Housing Each Phillips LED Unit has (2) 1-Watt flat CMD's (Latest Technology) WARM White LEDs producing 27 lumens @3000 Kelvin with a built in driver/rectifier. Optimum Voltage is 12 V AC but will operate in a range voltage from 8-12.5 VAC. Versatility - Use with Steps, Walls, Columns or Counter Tops. No light housing to trap unwanted bugs that would need regular cleaning! Economical - 40,000 Hour Life - Low Power -2 Watts per unit. Connects to any 12 Volt AC or DC Transformer Easy to Install - Simply slip under the cap on Walls, Columns or Stairs (Before Gluing down Cap) Retrofits into existing installations easily. The Wall Eye II installs into your masonry crack with a simple 7" circular saw with a masonry blade to create the mounting space and a 1/4" masonry bit to feed the wire through.