🔋 Combo Unit 3 Pack: Battery Operated Smoke and Carbon Monoxide Detector with LCD Display Review

I received this detector on 1/31/21 and have had to change the batteries twice already on 5/30/21. Why are batteries so often empty?

Easy to install but after a year it started making static noise on 2 out of 3 units. I changed the batteries, the sound stayed. A little frustrating because I otherwise liked them.

One can only hope that you never have to find out if these alarms actually work or not. So I can only look at the design and installation process. At first glance, the devices look pretty cool. They are equipped with a small LCD screen so you can read the results by pressing the "Test" button. But when the honeymoon is over, if you're like me, you'll find that the black frame of the LCD screen contrasts with whatever wall/ceiling color you have. My personal taste is not to see the device when…