3A 1A DC Power Supply AC Adapter 100-240V 50-60Hz 3Volt 1Amp Transformer with 5.5mm x 2.5mm Tip for Mini Fan Electric Toothbrush Fountains

√ Input: 100V-240V 50/60Hz; Output: 3V DC, 1A (1000mA) max.; Works with device that draws less than 1A, such as 0.2A, 0.3A, 0.4A, 0.5A, 0.6A, 0.7A, 0.8A, 0.9A, 1A. √ DC output port outer diameter is 5.5mm, inner diameter is 2.1/2.5mm. √ Multiple Protections with smart chip to ensure the safety and stability: automatically over temperature cut-off, short-circuit cut-off, under-voltage protection, over voltage cut-off and over-current cut-off. √ Sufficient 3W output power and stable 3V output voltage will protect your electronic devices from destruction. √ It will be used for 3V devices less than 3W, such as Mini Fan, Speaker, Electric Toothbrush, CCTV Camera, Routers and more DC 3V 1A Devices.