13 Levels Adjustable: 3 levels adjustable, strong light, low light, strobe three modes can be adjusted. Mini purple light, made of aluminum alloy, intelligent heat dissipation, life grade waterproof. 2USB Charging: Portable flashlight built in lithium battery USB charging for long lasting battery life, USB direct charging fast charging is stable and convenient, and can be used as an emergency power bank. 3Multi Layer UV Filter: Black mirror UV filter multi layer UV filter, layer by layer filter ambient light, ultraviolet rays are more pure. 4Powerful Spot Light: Powerful spot light, accurate detection, the light of the powerful spot light head is clear and obviously, and it is easy to detect cat ringworm. 5Scope of Application: Easy identification of the authenticity of RMB, identification of amber beeswax, identification of antique restoration, pet fungus detection Regularly check for your pets, identify pet excrement, and avoid infection.