3W白光LED灯头,灯头反光罩为铝合金,反光罩直径7.5cm,高4cm,内有3W白光LED(4金丝),灯头后部电路板未装限流原件,板上标有B+字样处接电源正,标有B-字样处接电源负。适用电压3.2-4VDC,电流800mA左右。 &n ...
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