【Adjustable Voltage】Input: AC 100~240V, 50/60Hz, the output voltage can be adjusted from 3V~24V DC. Maximum power: 3A, 72W; it can supply with amperes less than 3A, such as 300mA, 500mA, 1A, 1.5A, 2A, 2.5A, 3A. Meets the requirements of the industrial standard plus or minus 5% tolerance, the measured output voltage is 2.85V-25.2V within the standard and normal. Before connecting this product, adjust it to the voltage range of the device.Universal Power Adapter aImproved: Built-in rotary knob to adjust the voltage according to your device, the LED displays the real-time voltage to monitor the charging status in real time. Overload, overvoltage and short circuit protection ensure stability and quietness. Provides safe charging. Good anti-interference performance with stable output ensures good service life. Increase the shutdown speed to turn off the power without unplugging the plug.Multiple DC Tips: 3-24V universal power supply. Equipped with 14 commonly used connectors: Micro USB, Type-C, DC connector, 6.5 x 4.4mm + pin, 5.5 x 2.1mm, 5.5 x 3.0mm + pin, 5.0 x 2.5mm, 6.3 x 3.0mm 0.0mm, 5.5 x 1.7mm, 4.8 x 1.7mm. 7mm - 4. 0 x 1.7mm, 3.5 x 1.35mm, 3.0 x 1.1mm, 2.5 x 0.7mm. Universal AC Adapter with Reverse Polarity Converter. Our DC plug polarity: Inside positive (+), outside negative (-).3-24V Adjustable Power Supply, Widely Used: 72W all-in-one multifunctional adapter fits most AC/DC household appliances. Can be perfectly used for wireless routers, ADSL cats, WiFi cameras, DVD players, audio/video devices, 3D printers, CCTV systems, LCD monitors, Bluetooth speakers, soundbar, digital piano, portable keyboard, IR projectors, LED strips and other household/portable appliances. (Check the DC jack before purchase: 5.5*2.5mm, compatible 5.5*2.1mm)Universal Power Adapter 24V 3A 72W: This replacement power supply offers a range of voltages, interchangeable tips, complete protection against overvoltage, overcurrent, short circuit, overheating.