If you have a Welch Allyn Home RPM-BPACC-04 Blood Pressure Monitor, then you need the Welch Allyn Home RPM-BPACC-04 Blood Pressure Monitor AC Adaptor. This helpful product makes it easy to keep your blood pressure monitor powered up and ready to go. The Welch Allyn Home RPM-BPACC-04 Blood Pressure Monitor AC Adaptor is an easy way to keep your blood pressure monitor powered up. This product is designed for use with Welch Allyn Home Blood Pressure Monitors. It plugs into any standard AC outlet, making it easy to keep your blood pressure monitor powered up and ready to go. The Welch Allyn Home RPM-BPACC-04 Blood Pressure Monitor AC Adaptor is a helpful product that makes it easy to keep your blood pressure monitor powered up. When it comes to use, the Welch Allyn Home RPM-BPACC-04 Blood Pressure Monitor AC Adaptor is simple to use. Just plug it into any standard AC outlet, and you're ready to go. The Welch Allyn Home RPM-BPACC-04 Blood Pressure Monitor AC Adaptor is a great way to keep your blood pressure monitor powered up and ready to use.