LEDwholesalers Powerful 9-Watt UV LED 380-385nm Ultra Violet Professional Flashlight, 7616UV385 Professional series high power LED UV light Great for carpet cleaning inspection and urine detection Powerful 3x 3W UV LEDs with peak 380-385nm wavelength Solidly built from machined aluminum with a black powder coat Uses 3x 18650 3.7 Volt or 4x 3.0V CR123A batteries (not included)