• Buzzer Decibel?105±3dB\1M
• Three-level volume control, remote configuration, cloud upgrade
and check status (via mobile App)
• Built-in battery for up to 2.5 years, and supports low battery
alarm
• Temperature measurement
• Frequency hopping, two-way communication and AES128 encryption
algorithm ensure the communication's stability and security,
reaching up to 1,300m in an open space.