Ledwholesalers Dual Head 3 Watt Cree & 5 Gallium Indium Nitride 365 Nm Uv LED Ultra Violet 365 to 370 Nm LED 3 AAA Compact Flashlight 7368 Cree XRE P4 LED with Deep Reflector plus 5 375-380 nm UV LED in opposite head UV LED flashlight is designed for criminology, oil-mining, mineralogy, security inks, body fluid Come with strong visible purple light, this one almost has no visible light. High power White CREE Led on other end of flashlight Dual thumb switch buttons