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Description : New version of the circuit board behind with a five-pointed star, the user can according to their needs short five-pointed star group dimming. Can refer to the 7135 * Five-speed dimmi...Read More…
New version of the circuit board behind with a five-pointed star, the user can according to their needs short five-pointed star group dimming. Can refer to the 7135 * Five-speed dimming description.
The entire board is still diameter 17mm, PCB board thickness 1.6mm, double-sided gold-plated, double-sided, positive component height 1.5mm, cell surface height of the spring 3mm.
Reverse polarity protection, the new low-voltage prompts, lower than the 2.9-3V automatically reduced to the minimum brightness, press flashes once per second prompt.
Powered single lithium or 3AA saturation voltage is less than about 0.25v input between 0.2v greater than the output of 1V, this section is not only efficient, heat a small, to absolute constant current, high precision.
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