This is a 12-volt recessed fixture is commonly refered to as a "Puck-light". It fits into a 2-1/4" diameter hole, and is designed to use up to a 20-watt G4 type halogen bulb.
Model SL-688 (transformer sold seperately)
1-49
50-149
$23
$21
Dimensions: 2-3/4" D x 9/16" H Finish: Black, White or Chrome Cordset: 18/2 SPT, 6" cord with plug Hole Size: 2-1/4" Diameter Swivel Action: N/A Bulb: Q20G4 (50-watt maximum) (sold seperately)
Transformer (E5825 or E5821) required. (sold seperately)