This USB rechargeable flashlight is the perfect tool for all your black light needs. With a wavelength of 395nm, it emits powerful UV-light needed for identifying invisible stains and marks. The black color of the flashlight is sleek and the aluminum material makes it durable. The bulb type is UV-light and the brightness of the flashlight ranges from 1-499 lumens. The flashlight is zoomable and has a power source of USB making it convenient for outdoor activities such as camping and hiking. The flashlight features a rechargeable battery, making it eco-friendly and cost-effective. Perfect for those who require a powerful black light for their work or hobbies.