MTYTOT 9V 2A Power Supply Adapter AC 110V to DC 9V 2A 1.5A 1A 750mA 0.5A AC Adapter Transformer 9V Wall Adapter 4.6FT Cord with 5.5mm*2.1mm/2.5mm US Plug

Parameter Item:9V 2A Power supply ?1)Input : 100-240V AC 50/60 Hz ?2)Output current: 2 A (2000mA) ?3)Output voltage: DC 9V ?4)Output wattage: 18W max ?5)Cord Length: 1.4m (about 4.6 ft) ?6)Power Polarity: Inside “+”, Outside “-”;(Please note: The positive and negative poles must not be wrongly connected, as this will cause the equipment to not work .) ?7)DC plug connector size: 5.5mmx2.1mm compatible ?8)Package included :1pcs 9V 2A power adapter Kindly note ?(1)Please find the spec label of your device and check the working voltage. It should be 9V DC, not be AC 9V or lower/higher than9V DC. Otherwise, your device will not work or be damaged. ?(2) Check the max current your device will draw. It should be equal to or less than 2A,such as 550mA,0.8A,1A,1.2A ,1.5A, 2A. Otherwise, your device won’t work well and the power supply will be damaged very soon. ?(3)Check the power input port of your device. Its outer diameter should be 5.5mm; inner core diameter should be 2.1mm. Center Positive "+", exterior polarity should be" - ". ?(4)If you have a power supply for reference, their output voltage, plug size, polarity should be the same .If our Adapter’s current is equal to or higher than original one’s, then our adapter will work with your device. ?(5)Please don't use it outdoor. It is not waterproof.