Black light can be used to detect invisible ink or authenticate paper currency or as decorative lighting * Contains 15-watt bulb; emits long-wave ultraviolet light at 365 nanometers * Reflective backing enhances the illumination * 6" power cord allows light fixture to be plugged into a standard wall outlet * Measures 1-3/4 x 4 x 18-1/4 inches (H x W x D); can be mounted to wall or surface