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 heating 8 Interchangeable Tips: LED connector 2 pin, 3.5mm jack plug and 6 right angle plugs - 5.5mm x 2.1mm to 5.5mm x 2.5mm, 4.0mm x 1.7mm, 3.5mm x 1.35mm, 3.0mm x 1.1mm, 2.5mm x 0.7mm, micro usb Replacement 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 toys Center Positive Barrel Plugs: inner positve (+), outer negative. Polarity could not be reversed Package includes: 1 x 12 watt Universal AC DC Adapter Power Supply, 1 Set x Tips, 1 x Voltage Pick Tool