[Multifunctional AC/DC Adapter] This AC adapter has 8 different DC connectors and 7 selectable voltages, suitable for most home electronics such as CCTV cameras, baby monitors, LED light strips, USB hubs, speakers, mobile phones, routers, scales and other small appliances 3V 4.5V 5V 6V 7.5V 9V 12V 1V 1V 1V 1V 1A. [High-quality power supply] The universal adapter is made of high-quality materials and exquisite craftsmanship. Durable, reliable and stable. This switching power supply provides multiple safety precautions such as short circuit protection, overheat protection, surge protection, overvoltage protection and surge protection. You can use it with confidence. [8 DC Connectors Optional] This universal power supply includes several of the most commonly used connectors: 5.5 x 2.5mm, 4.8 x 1.7mm, 4.0 x 1.7mm, 3.5 x 1.35mm, 3.0 x 1.1mm, 2.5 x 0.7mm, Micro USB connector, LED. Meet your different needs and save space. Product name: 3-12V voltage regulating power supply. Rated power: 30W