UniFi SuperLink
Entry Sensor
Two small pieces on a door or window frame. Knows when a door or window opens. The base of any alarm.
Ask usno verified Canadian price yet

GOOD FOR
- Sticks on. One battery lasts years.
- Tamper switch tells you if someone pulls it off.
KNOW BEFORE YOU BUY
- Indoor only, 0 to 40 degrees. Not for a shed door in January.
What it needs
To make it work.
A SuperLink Gateway in range. One CR123A battery.
The numbers
Full specs.
| Power | Lithium battery CR123A |
|---|---|
| Operating temperature | 0 to 40° C (32 to 104° F) |
| Size | Device: 75.5 x 23.5 x 22.5 mm (3 x 0.93 x 0.89") Magnet: 39 x 15.1 x 12.9 mm (1.5 x 0.6 x 0.5") |
| NDAA compliant | Yes |
Source: techspecs.ui.com, verified 2026-09-09. Model USL-Entry.
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.
