Those are fine for reloading. You might also consider an analog gage instead. Just as accurate but don't require batteries. The cheap Chinese versions burn through batteries while a name brand will last years.

https://www.amazon.com/gp/aw/d/B017ME2ALS/ref=sspa_mw_detail_1?ie=UTF8&psc=1&sp_csd=d2lkZ2V0TmFtZT1zcF9waG9uZV9kZXRhaWwp13NParams