Let me start by saying this MENGQI-CONTROL system is a game-changer for small businesses and DIYers. I installed it in my coworking space, and the flexibility is insane—controlling 4 doors via RFID, PIN, or even remotely through their app (though heads-up: Android 14 users might need to wait for an update). The 0.2-second response time? Blink-and-you-miss-it fast.

The setup wasn’t just plug-and-play—it required some wiring finesse—but their video tutorials and documentation are *chef’s kiss*. When I mixed up strike/mag lock wiring, support sent a custom diagram within hours. Pro tip: Pair it with a $80 battery backup (trust me, power outages won’t leave you locked out).

Where this system shines? Scalability. Managing 20,000 users and time-based access (hello, employee shifts!) feels enterprise-grade without the price tag. Deleting lost key fobs remotely? Lifesaver. But the real MVP is their support—emails answered by morning, troubleshooting videos under 2 minutes. One user even got a replacement power supply overnight!

Downsides? The software has a learning curve (budget an afternoon to master scheduling), and the industrial design won’t win aesthetics awards. But for rock-solid reliability and support that treats you like family? Worth every penny.