Features 1、395nm Ultraviolet Light Wick: 395nm flashlight is a kind of purple light, with higher brightness, stable light source and farther illumination. 2、Aluminum Alloy Casing: Stable heat dissipation, impact resistance, erosion resistance, wear proof, durable and long lasting. 3、USB Charging Plug: You can use the ultraviolet flashlight by just plugging and charging, energy saving, environmentally friendly. 4、Small and Portable: The UV detector is super lightweight and portable so you can put it in your pocket, backpack, toolbox, your car, at home or anywhere else. 5、Multiple Applications: Suitable for fluorescence agent detection, anti counterfeiting inspection, jade identification, scorpion observation, etc. Specifications Item Type: UV Flashlight Material: Aluminum Alloy Weight: Approx. 68g/2.4oz Head Diameter: Approx. 25mm/1.0in Shrink Body Length: Approx. 95mm/3.7in Extension Body Length: Approx. 105mm/4.1in Built In Battery: Polymer Lithium Battery 3.7V 500mAh (included) Light Source: UV ultraviolet light Wavelength: 395nm Lighting Mode: High Low Flash Package List 1 x UV Flashlight 1 x Lanyard