UniFi SuperLink
Environmental Sensor
Small puck, stick, magnet or screw. Temperature, humidity, light and water leaks. Put it by the water tank, in the server closet, in the garage.
$70 all-inCAD, the checkout number, updated daily
GOOD FOR
- Four sensors in one. A plug-in probe for water on the floor.
- Battery lasts up to six years. Splash resistant.
KNOW BEFORE YOU BUY
- Rated to minus 20, so a heated garage is fine, an open porch is not.
What it needs
To make it work.
A SuperLink Gateway in range. One CR123A battery.
The numbers
Full specs.
| What it senses | Temperature, humidity, ambient light, water; 3.5 mm AUX jack (TRS or TS) for water leak probe |
|---|---|
| Connectivity | SuperLink (Proprietary); US 915.6-927.6 MHz; max. range 2 km (1.2 mi); max. TX 14 dBm |
| Power | Lithium battery CR123A |
| Battery life | Up to 6 years |
| Weather rating | IPX5 |
| Mounting | Adhesive, magnet and screw mount |
| Operating temperature | -20 to 40° C (-4 to 104° F) |
| Size | Device: 53 x 49 x 23.5 mm (2.1 x 1.9 x 0.9") |
| Weight | Device: 47.8 g (1.7 oz); with mount: 70 g (2.5 oz) |
| Certifications | FCC, IC, CE |
| NDAA compliant | Yes |
Source: techspecs.ui.com, verified 2026-09-13. Model USL-Environmental.
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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.