Wide Applications: It is suitable for medical apparatus and instrument, testing applications, safety control, rodent contamination, hotel room inspection and so on.High-Quality Material: Made of high-quality alloy, which is waterproof, wear-resistant, firm and durable.Specifications: Material: Alloy Features: Waterproof, bright, wear-resistant, durable, long endurance Applications: Germicidal disinfection, testing applications, safety control, rodent contamination, hotel room inspection, etc. LED Type: UV Wavelength: 395-410nm Endurance life: 24 hours LED Lifetime: 100,000 hours Power Supply: 3 AAA battery (Not include) Size: 3.62.79.8cm/ 1.421.063.86inch Color: BlackPackage Content: 1 LED Purple Flashlight( Not include batteries)Notes:1.Do not view the device while operating and do not shine the flashlight into anyones eyes. 2.Due to the lighting and monitors, there are slight difference between the picture and the real item.Promise: If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.