Please Note: Adjust the power adapter's voltage to match your product's requirements before connecting it. This product is an AC to DC adapter, NOT a charger!!! It cant be used to charge electronic devices with batteries, such as laptops. Input: AC 100~240V, 50/60Hz; Output: DC 3V 4.5V 5V 6V 7.5V 9V 12V 14V 15V 16V 18V 19V 19.5V 20V 22V 24V adjustable, Max 120W 5A(Noted:DO NOT OVERLOAD); It can supply with any amp less than 5A, such as 300mA 500mA 800mA 1A 1.2A 1.5A 1.8A 2A 2.1A 2.2A 2.4A 2.5A 3A 3.5A,4A,4.5A,5A. Safe and Reliable: Built-in overload, overvoltage, overcurrent, and short-circuit protection to ensure safety and reliability. Our universal dc power adapter has passed 100% quality inspection before leaving the factory, please rest assured to buy. Ease of Use: Our adjustable dc power supply is designed to be user-friendly with an easy-to-read LED display for easy setup and monitoring, added off position to power off without unplugging. Wide Compatibility: Our