General Features: Inside positive (+) outside negative (-) Input voltage: 100~240V 50/60HZ (AC) Output voltage: 12V (DC) Output current: 0.5A general 200ma Output voltage accuracy: ±0.5 (no-load) Wide input range, high voltage accuracy Interface: 5.5*2.5mm universal 2.1mm Quantity: 1pc adapter+1pc Plug (as you choose) Notes: 99.99% of the problem orders are due to the adapter's interface error. Even if the model you purchased is correct, you still need to check the interface carefully. ( The reason is: more and more cases of the same adapter model and multiple interfaces appear on the market ). .
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