Name: Protect Relay
Brand: Ubiquiti
SKU: USL-Relay

All-weather SuperLink siren delivering 110 dB alarm and emergency LED lighting powered using battery or DC input.

USL-Siren

Integrated 110 dB siren delivers a powerful audible alert, while the light ring provides clear visual status to deter intrusions and signal critical events.

110 dB Siren & Light Ring

Operates on four CR123A batteries for long-lasting, reliable performance.

CR123A Batteries

Built-in tamper detection triggers alerts if the device is opened or removed from its mounting surface.

Tamper Detection

Robust weatherproofing allows flexible outdoor installation across a wide variety of climates.

Weatherproof IP56 Rated

All-weather SuperLink siren delivering 110 dB alarm and emergency LED lighting powered using battery or DC input.

Siren

Integrations | Connect etc.

Default

All-weather siren delivering 110 dB alarm and emergency LED lighting powered using PoE input.

UP-Siren-PoE

Integrated PoE-In port powers the device while providing network connectivity through a single cable. Enables clean, simplified installations without the need for a separate power adapter.

PoE-In RJ45 Port

All-weather siren delivering 110 dB alarm and emergency LED lighting powered using PoE input.

Siren PoE

A battery-powered smart sensor capable of detecting motion, lighting, and environmental changes.Note. Long-range BLE coverage is comparable to WiFi coverage.

UP-Sense

Pack Type

Single Unit

3-Pack

Integrated temperature and humidity sensors provide continuous environmental monitoring with precise, real-time measurements. Enables proactive alerts to help maintain optimal operating conditions.

Temperature and Humidity Sensors

Operates on a single CR123A battery for long-lasting, reliable performance.

CR123A Battery

Integrated magnetic contact sensor detects door open and close events with precision.

Door Contact Sensor

A battery-powered smart sensor capable of detecting motion, lighting, and environmental changes.

Protect All-In-One Sensor

All-In-One Sensor

Accessories | other

Battery-powered SuperLink sensor that detects water leaks, temperature, humidity, and ambient light.

USL-Environmental

Integrated water sensing contacts for direct surface detection, along with an external sensor port for expanded monitoring coverage.

Water Leak Detection

Battery-powered SuperLink sensor that detects water leaks, temperature, humidity, and ambient light.

Environmental Sensor

UniFi | Special Devices

SuperLink motion sensor designed for versatile installation, delivering up to 6 years of battery life.

USL-Motion

Integrated passive infrared sensor detects movement by monitoring changes in heat signatures within its coverage area.

PIR Motion Sensor

Operates on a single CR123A battery for up to 6 years of reliable performance.

SuperLink motion sensor designed for versatile installation, delivering up to 6 years of battery life.

Motion Sensor

Europe

SuperLink sensor with up to 6-year battery life for monitoring door and window open/closed status.

USL-Entry

Integrated magnetic contact sensor detects door open and close events with precision, supporting up to a 30 mm (1.18'') gap between the sensor and magnet.

SuperLink sensor with up to 6-year battery life for monitoring door and window open/closed status.

Entry Sensor

32 input zone alarm control hub for hardwire intrusion sensors powered using PoE++ input and optional battery backup.

UP-AlarmHub-Kit

Supports up to 32 wired intrusion zones with EOL resistor compatibility for scalable security deployments.

32-Zone Alarm Inputs

Supports 12V SLA battery input and charging for uninterrupted operation during power outages.

Battery Backup

Two configurable relays for sirens, strobes, and other alarm system devices.

2x Output Relays

Delivers power and data over a single cable, enabling streamlined installation without a separate power adapter.

PoE++/+++ In RJ45 Port

Built-in tamper detection triggers alerts if the device is opened.

32 input zone alarm control hub for hardwire intrusion sensors powered using PoE++ input and optional battery backup.

Protect Alarm Hub Kit

Alarm Hub Kit

Hubs

A SuperLink gateway and Thread border router designed for long-range SuperLink sensors and Thread devices, with LTE connectivity and built-in battery for power backup.

USL-G2-Gateway-HA

Delivers reliable long-distance connectivity to SuperLink sensors with support for links up to 2km (1.24 mi).

Up to 2 km Link Range

Supports Thread connectivity for reliable, low-latency communication with compatible smart devices.

Thread Support

Cost-efficient 4G LTE connectivity designed for IoT applications, offering stable and reliable data transmission for backup communication.

LTE Cat 1 Connectivity

The integrated PoE-in port powers the device while providing network connectivity via a single cable. Enables clean, simplified installations without the need for a separate power adapter.

100 MbE PoE-In RJ45 Port

Supports both wall and DIN rail installation for flexible deployment in residential or commercial environments.

Wall and DIN Rail Mounting

A SuperLink gateway and Thread border router designed for long-range SuperLink sensors and Thread devices, with LTE connectivity and built-in battery for power backup.

SuperLink Gateway HA

Proprietary super long-range, low-latency wireless gateway for UniFi Protect Sensors.<a href="https://help.ui.com/hc/en-us/articles/29711478053911-UniFi-SuperLink-Setup-and-FAQs">SuperLink Setup Guide</a>Note. Long-range BLE coverage is comparable to WiFi coverage.

USL-Gateway

Integrated BLE radio enables reliable communication with compatible legacy sensors.

Long-Range BLE Coverage

Proprietary super long-range, low-latency wireless gateway for UniFi Protect Sensors.

SuperLink Gateway

Battery-powered SuperLink sensor featuring advanced glass break detection and motion sensing.

USL-GlassBreak

Integrated acoustic sensor detects the distinct frequency and shock patterns of breaking glass. Provides reliable perimeter protection with real-time alerts when glass break events occur.

Glass Break Sensor

Operates on double CR123A batteries for long-lasting, reliable performance.

Battery-powered SuperLink sensor featuring advanced glass break detection and motion sensing.

High-gain, omnidirectional antenna with an IP67-rated outdoor enclosure, built to extend SuperLink range in all weather conditions.

UACC-USL-ANT-HG

High-gain, omnidirectional antenna with an IP67-rated outdoor enclosure, built to extend SuperLink range in all weather conditions.

SuperLink High-Gain Antenna

Compact SuperLink relay designed with I/O interfaces for seamless integration with third-party sensors and signaling devices.

USL-Relay

Connects wirelessly using UniFi SuperLink for long-range sensor communication. Supports up to 2 km range for flexible deployments.

SuperLink Connectivity

Two configurable signal inputs enable integration with external sensors, switches, or other devices.

Dual Signal Inputs

Two relay outputs enable control of external systems such as lighting, garage doors, or signaling devices. Compatible with AC and DC circuits.

Dual Relay Outputs

Supports 12–48V DC input for flexible installation with existing power infrastructure.

12–48V DC Power Input

Compact SuperLink relay designed with I/O interfaces for seamless integration with third-party sensors and signaling devices.

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