Reveal Hidden Secrets: Utilize the 395nm UV light to detect hidden stains, fluorescent materials, and more. Perfect for pet stain detection, document verification, and other applications. Compact & Portable: These mini UV keychain flashlights are designed for ultimate portability. Easily attach them to your keychain, zipper, or backpack for instant illumination wherever you go. User-Friendly Operation: Activate the light effortlessly with a simple slide switch. No complicated proceduresjust instant UV illumination at your fingertips. Long-Lasting Power: Each flashlight is powered by CR1220 batteries (included), providing up to 18 hours of continuous use. Versatile Gift Idea: Enhance nighttime visibility, create fun atmospheres, or brighten outdoor adventures with this set of 48 UV keychain flashlights. Ideal for night events, holidays, camping, and emergencies. Please note: Slight color differences due to lighting and display variations may occur. This does not affect product performance. Color: Purple Material: Plastic Package Contents: 48 x Mini UV Keychain Flashlights Note: Only the items listed above are included. Light reflection and different displays may cause slight color variations from the actual product. Measurement error allowed is +/- 1-3 cm.