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Ubiquiti UniFi Siren

SKU: USL-Siren

Description +

All-weather siren with 110 dB alarm and integrated emergency LED lighting

The USL-Siren is a weather-resistant alarm siren with SuperLink connectivity that combines a powerful 110 dB audible alarm with integrated emergency LED lighting. With support for both battery power and 12–24V DC input, it offers flexible installation options. The IP56-rated enclosure makes it suitable for both indoor and outdoor environments.

Using SuperLink, the siren maintains reliable communication with UniFi Protect up to 2 km away, making it ideal for larger properties and buildings. The integrated light ring and status LEDs provide clear visual alerts alongside the audible alarm. Featuring tamper protection and simple wall or ceiling mounting, the USL-Siren delivers a robust security solution.

110 dB audible alarm
SuperLink wireless connectivity up to 2 km
Integrated emergency LED lighting
Powered by CR123A batteries or 12–24V DC
IP56 weather-resistant enclosure
Tamper switch and status LEDs
Integration with UniFi Protect

Specifications +

General

Dimensions	139.9 x 139.9 x 35 mm
Mounting	Wall and ceiling mounting plate (included)
IP rating	IP56
Enclosure	Aluminum alloy, polycarbonate
Weight	345 g

Connectivity

Connectivity	SuperLink (proprietary)
Frequency (US)	915.6–927.6 MHz
Frequency (EU)	865.1–869.5 MHz
Antenna gain	2 dBi
Max TX power	14 dBm
Max range	2 km

Hardware

Power method	(4) CR123A batteries 12–24V DC
Max power consumption	5W
Input terminals	(1) Power input (1) Signal input
Buzzer	Yes
LEDs	System R/G/B/W Status R/G/B Light ring R/G/B/W
Buttons	Power Factory reset Tamper switch