Trustfire 3000mW L2S-SE-UV UV Flashlight IPX8 Waterproof USB-C Rechargeable for Desert Hiking, Jewelry Detection, Night Fishing L2S-SE-UV FLASHLIGHT L2S-SE-UV is a light weight and convenient flashlight designed for jewelry testing, fluorescent agent testing, brightener and other fluorescent material testing. ONE-BUTTONOPERATION POWER ON/OFF: Press the tail button completely to turn on/off the flashlight SHIFT GEAR: Click the button repeatedly to adjust the flashlight brightness with in 0.5 seconds, low mode-middle mode-high mode MEMORY GEAR: If the flashlight does not click the button for more than0.5 seconds, it can remember the currently turned on brightness mode.
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