Product advantages: · AC input voltage applied worldwide · High efficiency and low operating temperature · Soft-start current, effectively reduce the AC input impact · 100% full load burn-in test · Performance: with constant voltage, over-voltage, automatic recovery functions · Plug and play. Brief and beautiful outlook, small volume easy to carry when travel Kindly Note: Please be kindly informed that the total wattage of your electrical appliances should not exceed the max wattage of our adapter. We recommend that you purchase a power supply with a wattage that is 10% higher than the rated wattage. Package include: 1 X DC 12V 4A Power Adapter Product Specifications: --Input Voltage: AC 100-240V 50/60Hz --Output Voltage: DC 12V --Output Current: 4A --Output Power: Max 48 Watt --DC Jack Type: 5.5mm x 2.5mm (Compatible with 5.5mmx2.1mm) --DC Power Cord Length: 110cm / 3.6FT --DC Plug Polarity: Inner Positive(+), Outer Negative(-) --It perfect replacement for 2A / 2.5A / 3A / 3.5A as amperage isnt forced. Fireproof Material The power supply adapter made of excellent PPO fireproof Material, which has good flame-retardant, wear-resistant and corrosion-resistant characteristics. Anti-interference Anti-interference magnetic ring, effectively inhibit the passage of high-frequency interference signals, so that the equipment more stable work. Copper Wire Made of tinned copper wire, not easy to oxidation, can minimize the power loss,transfers power safely and efficiently.Flexible flame -retardant PVC jacket provide you a safe and reliable cable with better conductivity.