SHNITPWR 5V 5A DC Power Supply Adapter 5 Volt 5 Amp 25W AC 100V~240V to DC Converter Transformer LED Driver with 5.5x2.5mm DC Tip for WS2812B WS2813 LED Pixel Strip TV Box USB HUB Raspberry Pi Arduino
Input: AC 100 - 240V, 50 / 60Hz ; Output: DC 5V, Max 5A/5000mA, 25W ; It means that it can supply with all amperage less than 5A. ---such as 500mA, 1A, 2.5A, 3A,4A,5A, all are available. For example, if your device draws 3A then 3A will be supplied. If draws more than 5A, only 5A will be supplied and power supply will be damaged soon. NEVER OVERLOAD!