Features: PC Liquid Cooling System w/Digital Temperature Display For 12x High Powered UV LED’s With Beam Lensing For Concentrated  Output. Guitar Strings Conduct Power To The UV Diode’s For a Clean Look ( Played on Guitar Before Install ) Special Dye Gives Microbiology Labware a Close Appearance To Actual Black Light Tubing. Tool-Less Internal Access Via Magnetic Latches. Audio Loop Sound Effects