Hong Kong's First 4G Smart Fire Sensor

Breaking the limits of traditional fire alarms with the KUJU Smart Fire Sensor

4G Multi-Network Module

No home Wi-Fi required — stays online even during power or network outages

Native WhatsApp Fire Alert

Instantly notifies designated contacts — no third-party app required

Decentralised Monitoring Design

Zero technical barrier — built for every household, including the elderly

8 Key Product Features

Designed for reliability, simplicity, and peace of mind

Easy Setup in 3 Steps

Up and running in minutes — no technician required