30W Universal AC to DC Power Adapter – Multi Output Voltages 3V 4.5V 5V 6V 7.5V 9V 12V Switching Power Supply with 8 Selectable Adapter Plugs for Routers Speakers Household Electronic (MAX 2A/2000mA)

A+Selected AC/DC Power Adapter – Variable Power SupplyThe Multi Voltage DC power adapter perfect to power up portable DC Powered or Battery Operated Electronic Devices, Such as MP3, Portable DVD,Portable CD player,Router, Radio, Speaker, Bluetooth speaker, CCTV camera LCD, Children Toys,LED strips and other electronic Devicesifications: USB Port 5V 2.1A: Can used for charging any 5v devices. Adapter Input: AC 100V~240V 0.25A 50/60Hz Adapter Output: 3V/4.5V/5V/6V/7.5V/9V/12V , Current:MAX 2000mA Cord Length: 47.2 inches(about 120 centimeters)Connector Tip Size : Tip1: 5.5×2.5mm Tip2: 5.5×2.1mm Tip3: 4.0×1.7mm Tip4: 3.5×1.35mm Tip5: 3.0*1.1mm Tip6: 2.5*0.7mm Tip7: Micro USB Tip8: LED connector junk Instructions:1ect the correct adapter tip and make sure that it’s firmly attached to the dc input port of your device.2 the right DC output voltage. There are 7 options for you, DC 3V/4.5V/5V/6V/7.5V/9V/12V. (Please use the KEY to choose the ACCURATE voltage, if the arrow is in the middle of the two voltages may also lead to no output issue)3ect the adapter to the electrical socketion:1. NOT compatible with Over 30W Devices 2. DC Plug Polarity: inner Positive(+), outer Negative(-). Polarity could not be reversed. 3se the right DC output voltage.5,Should there is any product quality issue, or not sure whether this item would work for you, please feel free contact us,we’ll reply you within 24hours. Package include: 1 x 30W Multi Voltage AC Adapter 8 x DC Plugs1 x little key