Super Bright Lighting:The upgraded TUNENGE S12Pro keychain light features premium L1HX-4X LED lamp beads,Maximum brightness of 750 lumens and light distance of up to 158m/518 feet,There are 6 lighting modes (Moonlight, Low, Medium, High, flash light, SOS) with memory function Multifunctional COB Light:Three click to turn on the sidelights., click to switch (white, yellow, red, red and yellow flash, 365nmUV)white light and yellow light is suitable for reading, working and maintenance at night, red light/red and yellow flash can be used as a warning light, 365nmUV for more accurate detection of hotel hygiene, banknotes, fluorescents, stains and so on