HQRP® 365 nM UV LED Flashlight + HQRP® UV Chain / UV Radiation Health Tester; * Aluminium Body, Water Resistance, Light on By on/off Switch; * LEDs: 9, Wavelength: 365-370 nanometer; Powered by 3 x AAA batteries (not included); * Grate Ephemera and Textile Authentication; Criminal Scene Investigation; * Forensic Examinations. 200 days Warranty!