Review on Yeeco 3-Pack Digital Mini LED Display Voltmeter: AC 24-500V Voltage Tester Meter with Green, Red & Yellow LED Signal Indicator Lights, Voltage Meter Monitor Panel by Andy Thorson

I bought this product at the end of May 2020 to monitor double input voltage. Two meters at 120 feet and another meter at 240 on both 120 feet. Everything worked fine for 45 days. Then, at 240 meters, 888 began to flicker (see image). It was always 120 for every two 120 meters. I also have a double meter (voltage and current) for the water heater and it shows typical 240 volts and 20 amps when heating up. Therefore, this is not an input power issue, but a meter specific issue. If the seller wants to replace a broken meter, it is a red meter and my shipping information needs to be updated (please contact me for current shipments). I will revise my review if/when a replacement is shipped, installed and working. UPDATE: Seller sent replacement and installed. It's working as of today (9/14) and I'll be back in a month or two to update my review. I have upgraded my rating to 3 stars as a result of the seller's response with a replacement. UPDATE: The replacement counter (red) that was sent is still working. However, the yellow counter now has a segment that doesn't work. In particular, the central horizontal segment of the central digit no longer works. So I can't tell if the counter reads X0X or X8X, where X is any other number between 0 and 9. 1 and 7 are unaffected by the missing segment. 2, 3, 4, 5, 6 and 9 are affected but I can pinpoint the number as the other working segments provide enough information. I downgraded my rating to 2 stars. The seller sent me a complete set of three meters (red, yellow and green) in September to replace the faulty red meter. However, I'm tired of replacing meters as they need to last longer than 6 months. UPDATE (final): March 2021 The replaced red counter started flashing again at 8 and the yellow counter has another non-working segment. Thus, 50% of 3 original meters and 3 replacement meters failed in less than 12 months. I find this unacceptable and have downgraded my rating to the Revain limit of 1 star. I do not recommend these meters and will look into replacing them with a meter from another manufacturer.