This bike light with 3 groups modes,
first mode: 3-mode at Low-Mid-High(press the switch more than 3 seconds)
second mode: press the switch more than 8 seconds,10-mode,from low to the highest mode
working VF: 8.4V,power by 8.4V battery pack,not included
The light has been great so far. The low mode is bright enough for most street riding. I had to use the brighter modes of road,everything is ok .
This light is very-very compact for the amount of forward illumination that it provides.Love the LED battery charge level indicators.
Poor thermal path (no shelf as in original Yinding) only small central part of MCPCB is in contact with case but it is at least screwed down firmly.
PWM frequency is very low at 190Hz on low and med, no PWM on high. Driver looks fine otherwise.
No seal on rear lid so waterproofing is questionable.
It is however quite bright and beam pattern is very good.
At this quality level it should be cheaper...
small but see efektif, has 2 different mods. 1 times 3-mode at low-mid-high-Sos and press the switch more than 3 seconds) second mode: press the switch more than 8 seconds,10-fashion, from low to the highest mode, I'm going to order me another one.
Bright, cheap and works well. 2500 lumens (3000in reality). So stupid cheap you should order one for bar and one for helmet.
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