UniFi SuperLink
Siren
Square box, indoors or out. Makes noise and flashes when the alarm trips. 110 dB, outdoor rated.
Ask usno verified Canadian price yet
GOOD FOR
- 110 dB. Bright LED ring. Rated to minus 30, so it can go on the outside wall.
- Runs on batteries or 12 to 24 V DC.
KNOW BEFORE YOU BUY
- Loud enough to bother the neighbours. Set the rules before you arm it.
What it needs
To make it work.
A SuperLink Gateway in range. Four CR123A batteries or a DC supply.
The numbers
Full specs.
| Connectivity | SuperLink (Proprietary) |
|---|---|
| Range | 2 km (1.2 mi) |
| Power | (4) CR123A batteries; 12-24V DC |
| Weather rating | IP56 |
| Mounting | Wall, ceiling mounting plate (Included) |
| Operating temperature | -30 to 50 C (-22 to 122 F) |
| Size | 139.9 x 139.9 x 35 mm (5.5 x 5.5 x 1.4 in) |
| Weight | 345 g (12.2 oz) |
| Buttons | (1) Power, (1) Factory reset, (1) Tamper switch |
| Certifications | FCC, IC, CE |
| NDAA compliant | Yes |
Source: techspecs.ui.com, verified 2026-09-01. Model USL-Siren.
Keep reading
All UniFi SuperLink sensors compared
Security cameras and access control
Cameras compared
Doorbells compared
Every UniFi price, one list
Want it installed?
We mount it, pair it to the gateway and set the alarm rules in Protect. Book a design assessment and the fee comes off the install.