Ultraviolet Light, Each

Details

This high-quality, 6-inch, 4W handheld black light is ideal for forensic applications or illuminating fluorescent and black-light-reactive items. The low-wattage, longwave UV bulb has a wavelength of 350-365 nanometers (UV-A). It also includes a built-in LED flashlight. This product requires four AA batteries, which are not included.