6V 500mA Power Supply Adapter,50-60HZ,AC100-240V to DC 6V 500mA with 5.5mm*2.5m
6V 500mA Power Supply Adapter,50-60HZ,AC100-240V to DC 6V 500mA with 5.5mm*2.5mm Interface Power Adapter for DC Charging Appliances,Weight in Grams,Digital Blood Pressure Monitor(Central positive +).