I’ve been using the GRSICO Wireless Alarm System for a month now, and it’s been a mixed bag of convenience and quirks. The setup? A breeze. No drilling, no wires—just peel-and-stick sensors and a surprisingly intuitive app. I had it up and running in 15 minutes while my cat ‘supervised.’

The Smart Life app is the MVP here. I love arming the system via Alexa before bed (‘Alexa, guard my house’ feels oddly satisfying) or disarming it from my phone when I’m half-asleep fetching packages. The 120dB siren? Brutally loud—I tested it once and my neighbor texted asking if I was being robbed. Mission accomplished.

But here’s the reality check: The motion sensor occasionally throws tantrums, switching modes randomly like a moody teenager. And yes, the included double-sided tape is hidden like Easter candy—I almost rage-ordered Command Strips before finding it tucked away. Pro tip: Buy spare CR2450 batteries upfront; they’re as elusive as unicorns when you need them at 2 AM.

For a DIY system, it punches above its weight. No monthly fees? Golden. Just don’t expect ADT-level polish—this is more like a scrappy watchdog that barks loud but sometimes naps on duty.