・Battery required: 1 AA battery (sold separately) Alkaline batteries recommended ・High power black UV-LED ・UV wavelength 390-395 nanometers ・Brightness 14 lumens ・Total length approx. 10.5 cm ・Diameter approx. 2.6 cm The fourth generation Negyo Gonzo phosphorescent light with more powerful LEDs. Equipped with a more powerful black UV-LED chip than the third generation. Zoom mechanism that allows you to change the irradiation range. Comes with a strap with a carabiner for easy carrying. The fourth generation Negyo Gonzo phosphorescent light is ideal for illuminating lures such as rockfish, horse mackerel, and wind fishing.