<b>Effect Power Supply Features:</b><br> 10 Isolated outputs, isolated short circuit overcurrent protected.<br><br> All 10 outputs in this unit have separate short-circuit protection, i.e. Short circuit in one channel won't affect other channels' function.<br> This is a safe and secure pedal power supply and let yourself enjoy music anytime, anywhere.<br> Guitar Bass Effects Pedals with Built-in USB interface with DC 5V 2A Output, which can charge Phone iPhone Pad iPad.<br><br> <b>Specifications:</b><br> Material: Aluminum alloy<br> Power: AC 110V-240V<br> Cable Length: 25.6 inch<br> Power for: 9V,12V or 18V Guitar effect pedal, keyboards,amps and other instruments<br> Adapter Input: DC 18V 1A<br>USB Output: DC 5V 2A<br> Pedal Power Supply Output:<br> 4 way 9V 100mA<br> 3 way 9V 300mA<br> 1 way 9V 500mA<br> 1 way 12V 300mA<br> 1 way 18V 100mA<br> Product size: 6x2x1.2in<br> Package size: 6.5x6.1x2.4in<br> Package weight: 21.2ounce<br><br><b>Guitar Pedal Power Supply Package Included:</b><br> 1 x 10 way Pedal Power Supply<br> 2 x polarity reversal cables<br> 10 x DC power cable cords<br> 1 x English user manual<br><br><b>Warm Tips:</b> <br>1) If the output electric current and voltage of power supply exceeded the pedal. The pedals may produce noisy sounds. So please make sure that your current and voltage of pedals are the same as the output ports of power supply.<br>2) Incorrect polarity may damage this unit, so please make sure the correct positive and negative polar before wiring.