It is too late when your home is on fire. Thus, knowing fire emergency in time is critical. Xiaomi cooperated with Honeywell, an enterprise specializing in fire alarms, and designed this new smoke detector. It has a sharp nose, namely, high-precision sensor to detect the smoke density, and gives out alarms immediately when it is going to catch fire. Linked to the WiFi, it can notify you the emergency wherever you are. It is never too late to install a fire alarm!