The current version of the detector lasts 6 years. Due to technology advancements, All those put in starting while in the middle of next year will last seven years and those installed starting in 2023 will have a ten-year lifespan. That's some fairly brutal underperformance from the GDX, as https://financefeeds.com/moneygram-partners-with-plaid-to-power-pay-by-bank-payments-in-the-u-s/