YoLink Smart Wireless Thermometer — Wide Temp Range for Fridge, Freezer, Greenhouse | Hub Required

Overview

Meet the YoLink Smart Wireless Thermometer, a flexible environmental sensor that keeps you looped in on temperature, without overloading your home network. It uses a LoRa-based, long-range protocol to extend monitoring far beyond typical WiFi coverage, letting you place sensing in fridges, greenhouses, barns, or other hard‑to‑reach spots. Expect dependable readings you can review anytime in the YoLink app.

Smart, far‑reaching sensing

Designed for reliability, the device communicates with a hub over a low‑power network, so you can position sensors where you need visibility—inside a fridge, a greenhouse, or a kennel—and still receive timely updates. In open air, the range can extend up to a quarter mile, supporting multi‑area environments without WiFi strain.

• LoRa-based wireless keeps WiFi free for other devices
• Regular temperature updates in the YoLink app

Alerts that adapt to your needs

Customize temperature thresholds and choose how you’re notified—text, email, or push. Apple users can use Critical Alerts, while Android offers similar options. SMS messaging is capped per device and month, helping you plan monitoring visits without surprises.

• Tailored thresholds for immediate awareness
• Multiple alert channels to fit your workflow

Power you can trust

Two AA batteries power the sensor for up to five years, depending on use and conditions. Real‑time low‑battery alerts in the YoLink app help you plan replacements, so you seldom lose visibility in critical spots.

• Up to five years of operation on replaceable batteries
• Proactive low‑battery reminders to minimize gaps

Smart home integration

IFTTT applets react to temperature changes, and you can query Alexa for current readings to support routines. Note that Alexa routines themselves aren’t triggered automatically by the device.

• IFTTT applets for automation of actions
• Alexa voice queries for quick temperature checks

Precision across environments

With a temperature range from -4°F to 129°F (-20°C to 54°C) and accuracy near 0.4°F, this thermometer delivers dependable data whether you’re cooling a cellar or warming a grow bed. It’s designed for commercial‑style accuracy in real-world settings.

Hub required for full functionality

For the YoLink app to work with the thermometer, a YoLink hub is required. The sensor itself communicates via LoRa, avoiding WiFi congestion while syncing with other YoLink devices.