GENSSI LED Purple Light Tube 50cm Strip UV Wall Washer (Pack of 2) The next generation purple light! Pure Purple! NOT AS EFFECTIVE AS REGULAR BLACK LIGHTS! These will not make white surfaced glow! Sorry! Uses less than 7W of power with 30 state of the art UV LEDs; Our LED are designed in the USA and always come packaged in a static free bag for protection 2pcs x 30 LED 50cm Low Profile Slim Tubes (Included) UV / Purple Light Output; Gives a bright Purple Color 1pc 24W Max Rated LED Power Supply (AC-DC Adapter) (Included) Aluminum Base with screw mounting holes; Designed to be wall or surface mounted Pack of 2; Low energy (7W vs 20W of standard black light tubes 24"); Easier installation and linkable - Run up to 10 tubes in a line with a more powerful power supply - They can connect to each other; No cutting, no splicing, plug and play! 12V-14.8V Operation for the Tubes - 110-120V AC to 12V DC Adapter included to power from your wall outlet; 50,000 Hours Rated Operation Life