1. 51 LED Beads and 395-Nanometer Wavelength Our black light flashlight is equipped with 51 upgraded powerful UV LED beads, which can emit ultraviolet light with a wavelength of 395 nanometers. It can reveal stains or liquids that are invisible to the naked eye. The upgraded UV LED beads can display fluorescent stains more clearly, allowing you to effectively locate the affected areas. It is very suitable for some deep cleaning tasks. 2. Reliable Materials and Thoughtful Design This UV flashlight uses super-strong LED beads and an aviation-grade aluminum alloy housing. After hard anodizing treatment, it is sturdy and durable, and can withstand accidental drops or collisions. The aluminum alloy body also helps with effective heat dissipation, ensuring the service life of the ultraviolet light. The non-slip textured handle design not only provides a comfortable grip but also prevents the flashlight from slipping out of your hand, reducing the risk of dropping. 3. Compact and Portable This black light has dimensions of 5.8×2.2 (unit not mentioned) and weighs 6.1 ounces. It is small in size and light in weight, and can be operated with one hand. The compact size also makes it easy to store and carry, taking up very little space in your pocket, handbag, or toolbox. The UV flashlight comes with a wrist strap lanyard, providing a hands-free carrying option. You can wear it on your wrist or hang it on a hook. In addition, the lanyard can prevent the UV flashlight from accidentally dropping or getting lost. 4. Efficient Detector and Multifunctional Tool This UV black light performs excellently in pet urine detection, kitchen stain detection, bathroom stain detection, water leakage detection, resin curing, UV glue curing, scorpion hunting, uranium glass searching, illuminating UV paint, discovering minerals, and detecting fluorescent agents, security codes, forged documents, and the authenticity of currency. It is an indispensable helper and multifunctional tool in your life. 5. Easy Installation and Worry-Free Purchase It is powered by 3 AA batteries (batteries are not included). There is no need for any complicated operations. Just press the button to turn the flashlight on or off. It is very suitable for both indoor and outdoor use.