Universally Compatibility: This DC5521 5525 power extension cable with switching button features standard 5.5x2.1mm/2.5mm connectors, perfectly compatibles LED strips, fan, blowers, security cameras, and various 12 24V devices including car electronics and routers. Switching Control: Built in on/off button allows easing power management without frequent plugging/unplugging, ideal for controlling LED lighting systems, cooling fan, and effortlessly. High Capacity : Supports up to 15A current and 12 36V voltages ranges, stable 180W power transmission for demanding applications like and laptop charging setups. DDouble Size Option: Offering both 5.5x2.1mm and 5.5x2.5mm connector variants to matching different device ports, ensuring proper fit for various DC5521 5525 powered electronics and appliances. Durability Construction: Made with premium housing and copper conductors for reliabled conductivity, available in 50cm or 150cm lengths to accommodate flexible installation or offices environments.