I received the 4 pieces: 2 marked “JR Drive”, and 2 marked “QiaoDuoTianCong”.
The JR Drive is very good quality, made very accurately, very good work. The QiaoDuoTianCong build quality is very poor,
in addition one thing exploded after 3 second work. The output current doesn't achieve the value it was supposed to. I have measured all the 3 devices and ... Read more
The 28W 1400mA Power Constant Current Source LED Driver (85~265V)has been under electronic tests in my company and we are obtaining good results. At least for the brazilian standards, the price is good. Until now, the only point for concerning is that the current doesn't achieve the value it was supposed to. We have measured all the 3 devices we have ... Read more
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