--- product_id: 371554844 title: "Smart Wireless Temperature/Humidity Sensor Wide Range for Freezer Fridge Monitoring Pet Cage/Tank Monitoring, App Alerts, Text/SMS, Email Alerts, Works with Alexa IFTTT, 2 Pack - Hub Included" brand: "yolink" price: "£109.87" currency: GBP in_stock: true category: "Yo Link" url: https://www.desertcart.co.uk/products/371554844-smart-wireless-temperature-humidity-sensor-wide-range-for-freezer-fridge store_origin: GB region: United Kingdom --- # 1/4 mile LoRa range 2 years battery life 0.1°F precision Smart Wireless Temperature/Humidity Sensor Wide Range for Freezer Fridge Monitoring Pet Cage/Tank Monitoring, App Alerts, Text/SMS, Email Alerts, Works with Alexa IFTTT, 2 Pack - Hub Included **Brand:** yolink **Price:** £109.87 **Availability:** ✅ In Stock ## Summary > 🌟 Stay ahead of the curve—smart sensing that’s miles beyond WiFi! ## Quick Answers - **What is this?** Smart Wireless Temperature/Humidity Sensor Wide Range for Freezer Fridge Monitoring Pet Cage/Tank Monitoring, App Alerts, Text/SMS, Email Alerts, Works with Alexa IFTTT, 2 Pack - Hub Included by yolink - **How much does it cost?** £109.87 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/371554844-smart-wireless-temperature-humidity-sensor-wide-range-for-freezer-fridge) ## Best For - yolink enthusiasts ## Why This Product - Trusted yolink brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Smart Hub:** Instant setup with Ethernet or hotspot mode plus QR code device pairing—get online in seconds. - • **Effortless, Years-Long Power:** Low-power design means 2 years of battery life—set it and forget it. - • **Versatile Environment Coverage:** Perfect for fridges, freezers, pet cages, nurseries, barns, and more—indoor or outdoor ready. - • **Unmatched Long-Range Connectivity:** LoRa tech delivers up to 1/4 mile range—monitor anywhere, even through walls or metal! - • **Precision Monitoring at Your Fingertips:** 0.1°F temperature resolution with customizable alerts via app, SMS, email, and Alexa. ## Overview YoLink’s Smart Wireless Temperature/Humidity Sensor 2-pack uses proprietary LoRa technology for ultra-long-range, low-power monitoring with 0.1°F precision. Includes a plug-and-play hub with Ethernet or hotspot setup, delivering real-time alerts via app, SMS, email, and Alexa integration. Ideal for diverse environments like freezers, pet cages, and nurseries, it offers up to 2 years of battery life and robust performance even inside metal enclosures. ## Description YoLink Technology "YoLink" is a proprietary wireless technology provided by YoSmart. which is based on the Semtech's LoRa wireless technology combined with the YoSmart smart home/building protocol, to provide the most advanced smart home/building devices solution. Compared to WIFI, Bluetooth, ZigBee, Z-Wave, and other smart home protocols, it has the advantages of low-power consumption, long-distance coverage (wall penetration), and anti-interference. It is the first smart building/home protocol that can be very easily setup and is a very low cost but creates a reliable, robust and more secure IoT network. Requirements: Smartphone or tablet running iOS 9 or higher, Android 4.4 or higher Specification: YoLink Hub Power: In-wall power adapter Input: 5V DC Maximum Current: 1A Working Temperature: -20C50C (-4F104F) Humidity: 090% non-condensing YoLink Temperature & Humidity Sensor Voltage: 3V DC (2 - AAA batteries) Alert Temperature: -22F 158F, 0.54F (-30C 70C, 0.3C) Low Temperature Alert Default: 64F (18C) High Temperature Alert Default: 95F (35C) Alert Humidity: 0% 100%, 3% Low Humidity Alert Default: 0% High Humidity Alert Default: 100% Working Temperature: 14F122F(-10C50C ) Working Humidity: 95% (non-condensing) Package List: 1 x YoLink Hub 2 x YoLink Temperature & Humidity Sensor Please Note: YoLink Hub requires a 2.4 GHz Wi-Fi connection or a wired connection. YoLink products work only in the USA and Canada. ## Features - DON'T TRY THIS WITH WiFi! Our unique LoRa-based sensors are different from WiFi, Zigbee, Z-Wave and most other wireless smart sensors in that they are extreme long-range (up to 1/4 mile open-air), low-power (years between battery changes), and work outdoors*, on other floors, and even in a metal box (like a fridge or mailbox)! - MONITOR & MANAGE your temperature and humidity concerns, whether it's a fridge or freezer, a barn or bedroom, a chicken coop or a dog kennel, a plant nursery or your child's nursery - anywhere! *Consider one of our weatherproof sensors, designed for outdoor use - ECONOMICAL SMART FRIDGE! Save thousands when you make ANY fridge smart (or smarter) with YoLink smart sensors. Start with temperature sensors, then add door/lid sensors, leak sensors and a Power Fail Alarm. - PLUG, PLUG & PLAY! Take advantage of direct ethernet connection and be online almost instantly when you plug your Hub into your router or network switch. Or, use hot spot mode to connect to your WiFi network in moments. Add devices in seconds using our Scan & Play QR code scanner in the app! Set your notification preferences, test your new sensors, then enjoy years of trouble-free operation! - KNOW NOW! You have many options for being notified of device activity! Receive a text, receive an email, receive a phone push notification (including Apple phone "Critical Alert" severe weather/Amber alert type notifications that will activate your phone even if in silent mode. Android phones offer similar functionality, depending on phone manufacturer). SMS messages are limited to the total of 5 times each device plus 5. A hub and two sensors provides you with 20 free SMS per month. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B08JP39RLP | | Additional Features | Alarm | | Age Range Description | Adult | | Battery Life | 2 years | | Brand Name | YoLink | | Connectivity Technology | Ethernet | | Customer Reviews | 4.6 4.6 out of 5 stars (2,439) | | Display Type | Digital | | Included Components | 1 x YoLink Hub, 2 Temperature & Humidity Sensor | | Indoor Outdoor Usage | Indoor | | LowerTemperature Range | 64 Degrees Fahrenheit | | Manufacturer | YoLink | | Model | YS1603-UC+YS8003-UC*2 | | Number of Batteries | 4 AAA batteries required. (included) | | Outer Material | Plastic | | Part Number | YS1603-UC+YS8003-UC*2 | | Power Source | Battery Powered | | Product Care Instructions | Freezer Safe, Wipe Clean | | Resolution | 0.1 degree fahrenheit | | Smart Home Compatibility | Smart Home Compatible | | Specification Met | CE | | Style Name | Modern | | UPC | 750258361766 | | Unit Count | 2 Count | | Upper Temperature Range | 158 Degrees Fahrenheit | ## Product Details - **Age range (description):** Adult - **Brand:** YoLink - **Included components:** 1 x YoLink Hub, 2 Temperature & Humidity Sensor - **Outer material:** Plastic - **Special features:** Alarm ## Images ![Smart Wireless Temperature/Humidity Sensor Wide Range for Freezer Fridge Monitoring Pet Cage/Tank Monitoring, App Alerts, Text/SMS, Email Alerts, Works with Alexa IFTTT, 2 Pack - Hub Included - Image 1](https://m.media-amazon.com/images/I/619adBoT70L.jpg) ## Available Options This product comes in different **Style** options. ## Frequently Bought Together - Smart Wireless Temperature/Humidity Sensor Wide Range for Freezer Fridge Monitoring Pet Cage/Tank Monitoring, App Alerts, Text/SMS, Email Alerts, Compatible with Alexa IFTTT, 2 Pack - Hub Included - YoLink Smart Wireless Temperature & Humidity Sensor, Wide Temp Range for Fridge, Green House, Pet Cage, App Alerts, Emails, Text/SMS alerts- Hub Required - YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4 with 105dB Audio Alarm 4-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/371554844-smart-wireless-temperature-humidity-sensor-wide-range-for-freezer-fridge](https://www.desertcart.co.uk/products/371554844-smart-wireless-temperature-humidity-sensor-wide-range-for-freezer-fridge) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-07-11*