【IMPORTANT NOTE】-- Compatible with 12V DC equipment, please make sure that the output voltage of your electronic device is 12V and the output current is less than or equal to 3A, the rated power is within the range of 36W! This is a 3A power converter. If a product exceeding 3A is connected, which will cause not working properly. 【SIZE & DIMENSION】-- The total cable length is 6.72 feet/ 205cm long and the plug is designed to support both 5.5x2.5mm & 5.5x2.1mm plugs for compatibility with a wide range of devices. The cable terminates with a "standard" 5.5mm OD, 2.5mm ID DC plug, but it's also compatible with DC 5.5x2.1mm sockets with the inner center spring contact. (NOTE: Power Supply Polarity - Center or Tip is positive (+), Sleeve is negative (-). 【Power Specifications】-- Operating at AC 100-240V and 50/60Hz input, this switching transformer provides a stable DC 12V/3A (3000mA) output. The power supply adapter delivers a consistent power flow, allowing your devices to function optimally without any interruptions or malfunctions. Please note that this adapter is designed for indoor use only. 【Stable Voltage Output】-- Our power supply adapter maintains a stable voltage output throughout its operation. Whether it's during power on, transmit, receive, or power off, you can trust that your devices will not be subjected to any sudden voltage changes. This stability helps to protect your electronic products from any potential destruction. 【Wide Application】-- 12V 3A Power adapters is versatile and can be used for various applications. It is great for powering garden cameras, 3D printers, ham radio transceivers, CCTV cameras, car subwoofer amps, audio amplifiers, computer projects, wireless routers, ADSL cats, and audio/video power supplies. Experience reliable power delivery with our 12V 3A Power Adapter, designed for a wide range of devices. This versatile adapter operates on AC 100-240V and provides a stable DC 12V/3A output, ensuring optimal performance for your electronics. With a 6.72 feet (205cm) power cord, it offers ample reach for various applications, both indoors and outdoors. The adapter features a standard 5.5mm OD, 2.5mm ID DC plug, compatible with 5.5x2.5mm & 5.5x2.1mm sockets. It's perfect for powering LED strip lights, cameras, wireless routers, CCTV cameras, and more. Safety features include overload, over-voltage, overheat, and short circuit protection, ensuring durability and peace of mind.