HQRP® 380 nM UV LED Flashlight + HQRP® UV Chain / UV Radiation Health Tester; * Aluminium Body, Water Resistance, Light on By on/off Switch; * LEDs: 21, Wavelength: 380-385 nanometer; Powered by 3 x AAA batteries (not included); * Grate for Room, Mineral Inspection, Security Control, Rodent, Leak Detection; * Art Forgery/Repair Tests, 200 days warranty!