Long-lasting battery: Built-in 18650 lithium battery with up to 360 minutes of battery life, USB rechargeable for convenience. 365nm Stealth Light: Emits invisible 365nm light for detecting fluorescers and security codes, with black UV filter lenses for precise results. Durable construction: Made of impact-resistant aluminum alloy for long life, effective heat dissipation to extend lamp bead lifespan. Compact and portable: Small size of 10.3*2.4 cm/4.06*0.94 inches, easily fits in pocket, tool box, or backpack for on-the-go use. Versatile applications: Highlights fluorescent materials for identifying cat urine, stains, and verifying authenticity of banknotes, amber, and jewelry. Introducing our Rechargeable UV flashlight, the perfect tool for detecting fluorescers and security codes with its 365nm stealth light. This compact and portable flashlight is equipped with a built-in 18650 lithium battery, offering a battery life of up to 240-360 minutes and USB compatibility for easy charging. Constructed from durable, impact-resistant aluminum alloy, this flashlight is designed for long-term use and effective heat dissipation to extend the life of the lamp beads. Its black UV filter lenses minimize ambient light interference, delivering purer UV light for precise results. With a size of only 10.3*2.4 cm/4.06*0.94 inches, it can easily fit into a pocket, tool box, or backpack, making it convenient to carry and use anytime, anywhere. This versatile UV flashlight is capable of highlighting various fluorescent materials, making it ideal for identifying cat urine, stains, or other liquids on different surfaces. It's also a reliable device for detecting cat ringworm and verifying the authenticity of banknotes, amber, jewelry, and more. Don't miss out on this essential tool for home and professional use! Item Name: Flashlight Material: Aluminum Alloy Lens: Black UV Filter Lens Wick: 365NM UV Lamp Battery: Built-in 18650 Battery(Included) Battery Life: 240-360 Minutes Features: Rechargeable, Portable, Handheld Size Details: L: 10.3cm, W: 2.4cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Flashlight 1 x USB Charger