[10 more tips]: 2.5mm x 0.7mm, 4.0mm x 1.7mm, 5.5mm x 2.5mm, 5.5mm x 1.7mm, 4.5mm x 3.0mm, 3.0mm x 1.1mm, 3.5mm x 1.35mm, 5.5mm x 2.1mm, 6.3mm x 3.0mm and 1 DC Tip. This 11-in-1 12Volt 2A universal power adapter kit greatly expands its application scope. DC 12V 2A Power Cord with an original 5.5mm x 2.5mm tip, means DC output port OD is 5.5mm, ID is 2.5mm. The polarity of inside is Positive [+], outside is Negative [-]. Multiple Protections with smart chip to ensure the safety and stability: automatically overload cut-off, over voltage cut-off, over temperature cut-off, short-circuit cut-off. Input: AC 100-240V 50-60Hz; Output: DC 12 Volt 2 Amp (2000mA) max.; 12V 2A Power Supply works with device that draws less than 2.0A, such as 12V 0.5A, 12V 1A, 12V 1.5A, 12V 2A. 12V 2A Power Supply is widely applied to CCTV Security Cameras, LED Strip Light, Speakers, Routers, Home Phone System, WS2811 LED Pixel Light, DIY projects and more 12V household electronics less than 24W. What you