Totally agree on that point of buying Iris sensors. Esp if you are wanting or am picky about zigbee vrs zwave. Only times I buy ST sensors now is when the ‘fancy’ sensors go dirt cheap. The multipurpose is nice for its tilting and if it goes on dirt cheap sale I’ll buy another. Same with the water sensor. Just because I’ve not tried any others. But the open/close and motion sensors are great, and usually can be had on the cheap during sales. Another great reason to go to Iris for open/close and motion, both take cr2 batteries. Not that they are cheaper or last longer…at least they take the same battery. ST sensors are all over the place with cr2450 or AAAA or whatever else. My battery storage spot is rife with like 5 ‘unique’ batteries now which suck.
As for the comment about is this normal that ST goes quiet. Yup…release an ‘update’ and maybe reply once or twice then go radio silent for easily weeks. Dont know if its ‘maybe they will go away’…or if its ‘lets go heads down and fix’…or what. But its very common. At this point, I’ve given up on the batteries. Until the device quits working all together I’m just going to let the batteries complain. I’ve got two cr2450’s sitting here on my desk at 2.95 volts that ST said was 1%. So just going to wait for things to go belly up.