DC 3V 1A Power Supply AC Adapter 100-240V AC to DC 3Volt 3W 1000mA 500mA Powe…
Input: AC 100V-240V 50/60Hz; Output: DC 3V, 1A 3W MAX; DC plug size is 5.5mm x 2.5mm,Compatible with 5.5mmx2.1mm.Polarity is inside positive "+", outside negative"-", Power cord length: about3ft. Output power: 3W.