Fireflies E07 2021 Version 7x SST20/Nichia/XPL HI 6900LM 21700 Flashlight With Anduril UI

E07 2021version Main Improvement points from E07:  Better machining quality, Stronger body  Utilized New Switch button   Add strong magnet on the tail  Better waterproof design  Body color:  HAIII Navy blue / HAIII Deep Red  work with 21770 USB battery with an extra tail cap    Size / driver function remains the same About Heat Dissipation Structure  E07 has very compact size，however the heat dissipation structure is very well designed.  With 5 deep heat sink trenches and 10mm thick integrated shelf , the light can sustain the crazy 7000 lumens brightness  . About thermal Step down： E07 is one of the brightest single battery flashlights， It will get hot very quick on high brightness levels. E07 set the temperature limit to 50℃  by default. The light will automaticlly step down when the body temperature is over 50 degree.  The temperature can be configured by users if you read the manual carefully. About conductive Springs and electrical wires： The springs used i