AC 100-240V, 50/60Hz; Output: DC 3-36V, up to 4A, 144W adjustable power adapter with 3-position plug. Provides selectable output voltage between 3V and 36V, including common voltages such as 3V, 4V, 4.5V, 5V, 6V, 9V, 12V, 16V, 19V, 21V, 24V, 26V, 28V, 30V, 32V, and 36V, with current support up to 4A. The LED display shows the output voltage to help prevent incorrect voltage settings that could damage connected devices. Equipped with a 5.5x2.5mm center-positive tip and includes 14 commonly used DC connectors: 6.5x4.4mm + pin, 5.5x2.1mm, 5.5x3.0mm + pin, 5.0x2.5mm, 6.3x3.0mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm, Micro-USB, Type-C, and DC terminal connector. Compatible with a wide range of electronic devices. Features a secure twist-lock connection for reliable contact, ideal for DIY projects. Includes a 6-foot (1.8m) power cord for convenient use. Voltage is adjusted smoothly via a precision rotary knob. Includes an integrated power switch to turn off the output without unplugging. Additional converter cables and test leads expand compatibility with various equipment, increasing versatility. Built-in safety protections include over-voltage protection, over-current protection, short-circuit protection, and thermal shutdown. Operates quietly and safely with no risk of spontaneous combustion, explosion, or fire under normal conditions. This 144W multifunctional AC/DC adapter is suitable for a variety of 3-36V electronic devices such as LED strips, 3D printers, TV boxes, smart speakers, wireless routers, humidifiers, USB fans, IP cameras, USB hubs, external hard drives, DC-powered appliances, water pumps, digital photo frames, DVR/NVR security systems, and more. For indoor use only. Confirm your device's DC jack size before purchase: 5.5x2.5mm (compatible with 5.5x2.1mm). Package includes: 1 x 3-36V 144W universal power adapter, 14 x DC connector tips, 1 x reverse polarity adapter (5.5x2.1mm), 1 x output cable with alligator clips, 1 x male DC power extension cable. Always verify the correct voltage before connecting to your device. Incorrect voltage may cause damage. Recommended for use at less than 80% of maximum load. Universal power supply compatible with most DC input devices. Suitable for use with GPS devices, CCTV cameras, converters, LED lighting, DVD players, DVRs, Bluetooth speakers, tablets, radios, routers, cameras, gaming consoles, and various household electronics. Specifications: Input: AC 100-240V, 50/60Hz Output Voltage: DC 3-36V (adjustable) Output Current: Up to 4A Maximum Power: 144W Output Connector: 5.5mm x 2.5mm center-positive Included Tips: 6.5x4.4mm + pin, 5.5x2.1mm, 5.5x3.0mm + pin, 5.0x2.5mm, 6.3x3.0mm, 5.5x1.7mm, 4.8x1.7mm, 4.0x1.7mm, 3.5x1.35mm, 3.0x1.1mm, 2.5x0.7mm, Micro-USB, Type-C, DC terminal connector Reverse Polarity Adapter: 5.5mm x 2.1mm Power Cord Length: 6.56 ft (200 cm) Operating Temperature: -20C to 50C Plug Type: US standard (suitable for use in Canada, Mexico, Thailand, Taiwan, Philippines, and other countries with compatible outlets) Color: As shown Material: Metal housing Package Contents: 1 x Adjustable DC Power Supply 14 x DC Connector Tips 1 x Reverse Polarity Adapter 1 x Output Cable with Alligator Clips 1 x Male DC Power Extension Cable Note: Image colors may vary slightly due to lighting and monitor settings. Allowable measurement deviation: 1-3 cm.