• Before You Buy: MS3 requires a compatible MOCREO Hub for app monitoring, remote alerts and cloud features. Hub is not included with this sensor-only SKU.
  • 168-Hour Outage Recall: Records temperature locally while the Hub connection is unavailable, then synchronizes the outage-period curve for later review.
  • Remote Alert System: Supports configured app and email alerts when paired with a compatible MOCREO Hub.
  • Ultra-Flat External Probe: The 0.9 mm cable passes through refrigerator and freezer door seals with minimal interference.
  • Accurate Local Reading: Measures from −40°F to 158°F with ±0.9°F accuracy and displays the current reading on the LCD.
  • Expandable Monitoring: Add another refrigerator, garage freezer, chest freezer or cold-storage area to an existing compatible MOCREO system.

The Benefits of a MOCREO Temperature Monitoring System

A Practical, Cost-Effective Way to Monitor Your Refrigerators and Freezers

Monitor refrigerator and freezer temperature remotely with a compatible MOCREO Hub

Remote Monitor & Timely Alerts

Pair MS3 with a compatible MOCREO Hub to check temperatures from your phone and receive configured app or email alerts when readings move outside your selected range.

Monitor easy-to-overlook areas such as a garage freezer, basement freezer, second refrigerator or vacation-home fridge.

  • Check conditions while away
  • Monitor several cold-storage locations
  • Receive configured out-of-range alerts

Know What Happened During an Outage

MS3 keeps recording temperature locally for up to 168 hours while the Hub connection is unavailable. After connectivity returns, review the outage-period curve in the MOCREO app.

Live remote readings are unavailable while the Hub is offline.

  • Up to 168 hours of local records
  • Review the curve after reconnection
  • Understand duration and temperature change
MS3 records up to 168 hours of outage-period temperature history
MS3 smart alert system for refrigerators and freezers

Smart Alert Options

Set temperature thresholds for the monitored appliance and use supported app, email and Hub notifications to stay informed. Alert availability depends on the connected Hub, app and account settings.

  • Custom temperature thresholds
  • App and email notifications
  • Multiple notification channels where supported

Ultra-Thin Probe & Magnetic Mount

The external probe monitors inside while the sensor and LCD remain visible outside. Its 0.9 mm ultra-flat cable passes through the door seal with minimal interference. Confirm the appliance seals correctly after installation.

  • 0.9 mm ultra-flat cable
  • External LCD visibility
  • Magnetic mounting on compatible surfaces
MS3 ultra-thin probe cable and magnetic mount
MS3 accurate cold-storage temperature reading

Accurate Reading at a Glance

The external probe measures from −40°F to 158°F with ±0.9°F accuracy. The built-in LCD shows the current reading locally, while the connected Hub provides remote access.

  • −40°F to 158°F probe range
  • ±0.9°F stated accuracy
  • Quick local checks on the LCD

Temperature History & Export

With a compatible Hub and MOCREO cloud service, review trends and export historical records for analysis. Cloud history and export availability depend on the connected service and account.

  • Review long-term trends
  • Export records for analysis
  • Keep monitoring information organized
MS3 temperature history storage and CSV data export
MOCREO web portal and account sharing for multiple users

Web Portal & Account Sharing

Supported web portal and account-sharing features can give authorized household or team members access to the same monitoring information, subject to the connected Hub, app and service plan.

  • Shared visibility for authorized users
  • Web and app access where supported
  • Useful for households and small teams

Frequently Asked Questions

Does MS3 connect directly to Wi-Fi?

No. MS3 requires a compatible MOCREO Hub for app access, remote monitoring, alerts and cloud features.

Is a Hub included?

No. This sensor-only SKU does not include a Hub.

What happens during a power or Wi-Fi outage?

MS3 records locally for up to 168 hours while the Hub connection is unavailable. After connectivity returns, review the outage-period curve in the app.

Can MS3 show live remote readings during an outage?

No. Remote live readings are unavailable while the Hub is offline.

Does the probe cable affect the door seal?

The 0.9 mm ultra-flat cable is designed to pass through the seal with minimal interference. Confirm the door closes and seals correctly after installation.

Model

MS3

Wireless Protocol

Bluetooth LE

Wireless Range

Up to 230 ft (70 m), line-of-sight

Display

Segment LCD

Battery

3 × AAA replaceable batteries

Cable Length

4.9 ft (1.5 m)

Probe Type

External NTC probe

Probe Measuring Range

-40°F to 158°F (-40°C to 70°C)

Temperature Accuracy

±0.9°F (±0.5°C)

Offline Storage

Up to 24 hours

Hub Requirement

Compatible MOCREO Hub required for remote monitoring; sold separately

What’s in the Box

MOCREO MS3 sensor with external probe × 1; AAA batteries × 3; user guide × 1

shipping policy

90-day money-back guarantee

MOCREO Environmental Monitoring System for Peace of Mind. Not satisfied? Return your device within 90 days and get a refund. Please read the Term-of-Service for details.