The UltraFire WF-501BL PRO is an advanced blue light flashlight, designed with durable aluminum alloy and a sleek hard anodized black finish. Equipped with a powerful 10W blue light LED emitting at 450-460 nm, it offers impressive performance in a compact design. The flashlight has a single mode (100%) and provides 3-4 hours of runtime, perfect for long sessions. Built to withstand tough environments, it features an IP65 waterproof rating and comes with extra-hard tempered glass for added durability. At just 3.17oz (90g), it's lightweight and portable, making it ideal for outdoor activities. Available in a standard package or with additional accessories for added convenience.