Señor Pantaloneswrote a review of Wahoo Fitness TICKR X Heart Rate Monitor on November 15, 2018
Familiarity: I've put it through the wringer
I bought two of these. One of them had the battery drain problem mentioned elsewhere here while still under warranty. The company told me to try the reset. It didn't work. I told them it didn't work. I then gave up and put it in a drawer. I contacted them a year later to say hey, it still didn't work, and they told me oh sorry, it's out of warranty.
I love wahoo but their quality control isn't at the level of tacx or garmin. My KICKR constantly lost bluetooth connection, I had to return my RFLKT because the screen wasn't readable in daylight, etc. Their products are awesome when they work but when you're 5 minutes into your second run on a new battery and your HRM dies, none of the specs or bells and whistles matter.