14Watt T5 Linkable Blacklight Fixture With Bulb, Cord, on/off Switch Need Halloween Party ambience? Want to make you hallway glow for trick or treaters? Our 14w blacklight has a unique design that allows you to attach it to almost any surface with velcro (included). Makes all glow-in-the-dark items glow brighter (try it with our glow-in-the-dark skeletons!). Makes white fabrics and day-glow colors shine in that spooky Halloween way. Lightweight and durable with our unique stylish black triangular design. UL listed.