12W 12 Volt 1 Amp 3V 4.5V 5V 6V 7.5V 9V 12V Power Supply Universal AC Adapter with 5.5mm x 2.1mm Barrel Plug and 8 Selectable Tips Micro USB 3.5mm Jack for MP3 MP4 Player Headphone Speaker Watch

Universal Power
Supply 3V-12V: Input AC 100-240V 50/60Hz; Output DC 3V 4.5V 5V 6V 7.5V 9V 12V 1A 1000mA 12 watt max. Conprehensive safety protection against over voltages over current short circuits and over heating8
Interchangeable Tips: LED connector 2 pin 3.5 mm jack plug and 6 right angle plugs - 5.5 mm x 2.1 mm to 5.5 mm x 2.5 mm 4.0 mm x 1.7 mm 3.5 mm x 1.35 mm 3.0 mm x 1.1 mm 2.5 mm x 0.7 mm micro usbReplacement charger for small home appliances electronics such as router led strips lamp webcams security cameras GPS kids toys tablets cell phones electronic gizmos DIY circuits and more. 12V battery charger for ride on toysCenter
Positive Barrel Plugs: inner positve (+) outer negative. Polarity could not be reversedPackage includes: 1 x 12 watt Universal AC DC Adapter Power Supply 1 Set x Tips 1 x Voltage Pick Tool