... .com, China (Mainland) color: black Material: aluminum Application: UV led torch Battery Type: 18650 Packaging & DeliveryPackaging Details:white ... TrustFire wf-501b leds flashlights 18650 rechargeable 1W 365nm UV LED TorchProduct Specification:WF-501B flashlightAluminum production,water-proof ... ,Operation Button: On/Off2,The switches are at bottom. Press for running it, again for off.3,Charging time: ...