roduct name YS-1842 Flashlight Type LED UV Pen Light Battery built-in 18650 rechargeable battery Size 148*18mm Wavelength uv365nm/ uv395nm/White Light/Yellow Light LED Source 4 LEDs white, warm white, UV 365nm and UV 395nm Net weight 180g IP Rating IP65 Brand Name Sunrace(Customized Logo) Application Gem stone, Jade, Jewelry, Detector, Scorpion, Home, Medical, Hotel, Office, Pet Urine Detector ,Money