Excelity&reg;DC 5V 650mA 1A 2A 2.5A(Max) Wall Charger Power Supply Switching Adapter 5.5 x 2.1mm US Adapter,Input Voltage : AC 100-240V,50-60Hz (Worldwide AC Input) Output : 5V 2.5A/2500mA Max (Also Compatible with 2000mA 1000mA,650mA or lower device) Connecter Size : 5.5mm x 2.1mm,Wire Length:Approx. 3.6Ft I/C Chip Technology To Protect Your Device: Over Voltage Protection, Over Heat Protection,Over Current Protecion The Charger Applicable With:Router,humidifier, air cleaner, electronic refrigerator, LCD monitor, LED lighting, communications equipment, audio and video products, security, computer case and the other digital products which requre 5.5*2.1 mm plug