Why I choose it?
--This power supply is DC 6V 1A. It take any input from 100V up to 240V AC, which is what comes out of your wall socket, and output 6V DC for the devices that require 6V 1A input.
--Third generation smart IV chip features short circuit protection, overload protection, over voltage protection to protect your device.
--Provide two years warranty, During the warranty period, free to replace damaged cargo with brand-new product.

Specifications:
Input Voltage: 100-240V AC 50/60Hz
Output Voltage: 6V DC
Output current: 1A
Output Power: 6W Max
DC Output Plug Size: 4.0mm x 1.7mm
DC Cable length: about 4.6FT / 140cm
It perfect replacement for 500mA / 700mA as amperage isnt forced. (If your previous Adaptor was less than 1A then this will be a perfect replacement as amperage is NOT Forced).

Package:
1 x DC 6V 1A Power Supply of 4.0mm x 1.7mm plug size

Compatible with:
Omron Healthcare Upper Arm Blood Pressure Monitor 5 series / 7 series / 10 series / 10 series+ :
--Omron 5 series upper arm blood pressure monitor model BP742, BP742N, HEM-742int, HEM-704C. --Omron 7 series upper arm blood pressure monitor model BP760, BP760N, BP761, BP761N, BP760, BP654, BP652 (HEM-7220-Z).
--Omron 10 series upper arm blood pressure monitor model BP785 (HEM-7222-Z).
--Omron 10 series+ upper arm blood pressure monitor model BP791IT, BP785N, BP785, BP786N, BP786, BP791 (HEM-7222-ITZ).
--Omron Healthcare Blood Pressure Monitor HEM-711AC, HEM-711DLX, HEM-712C, HEM-712CLC, HEM-780, HEM-790IT