A well-priced home BP monitor with a huge display and useful memory

Is the WAJ Medical Blood Pressure Monitor worth buying? Yes, if you want a large-screen, easy-to-read upper-arm monitor for home use at £32.99. It combines a 6.4-inch LED display, dual-user memory for 240 readings, and a cuff that fits 22–42 cm arms, which makes it practical for shared household monitoring.

First impressions

At £32.99, the WAJ monitor lands in the budget-to-midrange bracket for home blood pressure devices, and the spec sheet is focused on convenience rather than gimmicks. The headline features are clear: a super large 6.4” LED display, 2 x 120 sets of memory, irregular heartbeat detection, and USB-C plus 4 AA battery power. With 4.5/5 from 1,513 reviews and 1,000+ bought last month, it has the kind of review volume that suggests real household use rather than a niche listing.

What does it do well?

The strongest selling point is the display. A 6.4-inch LED screen is unusually large for a home blood pressure monitor, and that matters if you are checking readings quickly or need a screen that is easier to read than the small LCD panels common on cheaper units. The listing also says the monitor is senior-friendly, which aligns with the oversized display and simple home-use design.

Memory is another practical win. The device stores 240 measurements in total, split into 120 per user, so two people can track trends without mixing results. That is useful for couples or anyone managing blood pressure alongside a partner or carer. The monitor also includes an average-reading function, which is more helpful than a single isolated result because home BP numbers vary from reading to reading.

The cuff range is sensible too. A 22–42 cm adjustable upper-arm cuff covers many adults comfortably, reducing the risk of a poor fit, which is one of the most common causes of unreliable home readings. The inclusion of irregular heartbeat detection and a WHO indicator adds extra context to the numbers, helping users interpret whether a reading sits in a normal or elevated range.

How accurate and practical is it?

The listing highlights precision measurement technology, but no exact accuracy tolerance is provided, so I would treat that claim as a general feature rather than a measurable guarantee. In practical terms, the combination of upper-arm design, adjustable cuff, and averaging function is what gives this monitor credibility for routine home tracking. For most buyers, consistency matters more than fancy extras, and this model appears built around repeatable daily use.

Power flexibility is another strong point. It can run on 4 AA batteries (included) or USB-C, so you are not locked into one charging method. That makes it easier to keep on a bedside table, in a drawer, or packed for travel.

Is it good value for money?

At £32.99, the WAJ sits almost exactly on its long-run average price of £33.12 and is currently marked as the all-time lowest price. That is a good signal for buyers who want to avoid overpaying. The broader price history shows a lowest recorded price of £16.14 and a highest of £69.99, so £32.99 is not bargain-bin cheap, but it is firmly on the sensible end for a feature-rich home monitor.

Compared with the smart plug alternatives listed alongside it, the WAJ is actually cheaper than the TP-Link Tapo P115 at £43.99 and the EIGHTREE 5GHz Smart Plug at £44.99, and only slightly below the Meross Smart Plug at £33.99. Those are not direct competitors in function, but they do show that this monitor is priced competitively against other well-reviewed home-tech products. The key difference is that you are paying for health-monitoring features rather than energy-monitoring convenience.

Build quality and usability

The product’s value proposition is rooted in usability: a large display, broad cuff range, dual-user memory, and battery/USB-C power. That suggests a design aimed at straightforward daily use rather than app-heavy complexity. The 1,513 reviews and 4.5-star average indicate that most buyers are satisfied with the overall experience, though the product is not flawless.

What should buyers watch out for?

The main warning is that the listing text is somewhat generic in places, especially around “precision measurement technology,” so buyers should not assume clinical-grade performance beyond what is stated. Also, while the cuff fits 22–42 cm, people outside that range may need a different model. Finally, the product has 2 variations, so make sure you select the correct colour/size/storage option before ordering.

How does it compare to alternatives?

Against the listed competitors, the WAJ monitor is cheaper than the TP-Link Tapo P115 (£43.99) and EIGHTREE (£44.99), and slightly below the Meross (£33.99), while offering a completely different function set. If your goal is health monitoring rather than smart-home energy control, the WAJ is the relevant purchase. Within its own category, the combination of 4.5 stars, 1,000+ monthly sales, and an all-time-low price makes it look more compelling than many similarly priced home monitors.

Final verdict

If you want a large, easy-to-read home blood pressure monitor with useful memory and dual-user support, this is a strong buy at £32.99. If you need clinical validation details, app connectivity, or a cuff size outside 22–42 cm, look elsewhere.