Don't let a power outage damage your property. Learn how to avoid disaster caused by a power failure and get an alert to your phone.

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iSocket PowerWatch – a useful device for your home

iSocket PowerWatch is an intelligent device that plugs into a wall socket and can alert you of a power cut. This gives you peace of mind or informs you of a problem. Another useful feature is that you can connect any home appliance to iSocket PowerWatch and start or stop it remotely from anywhere in the world. You can turn on a refrigerator remotely, stop a pump remotely, reboot your router remotely and so on. You can do these operations with any appliance that is fitted with a plug.

iSocket PowerWatch - power failure monitoring device for USA and Canada

Watch a short video about the power loss feature

What features does your iSocket have

The power loss alert is the main feature of iSocket PowerWatch. But there are extra useful features included as standard.

Remote switching

You can connect a home appliance and turn it on or off remotely. Just text the message ON and the appliance will start to operate.

Reboot when hangs up

Reboot your router or other IT equipment when it hangs up. Just call the iSocket and it will reboot your router automatically.

Free Apps for Smartphones

You can manage your iSocket from convenient apps for Android and iOS.

Incredible security!

iSocket has 3 levels of security: protection with a list of allowed phones, with a password and a limit for the configuration interval.

Free of charge operations

You can configure iSocket to call you back to confirm the switching or reboot. You call the iSocket, it drops the call, performs the configured action and calls you back. At no charge.

Works on all GSM networks in your country (United States of America)

You can use contract or prepaid (PAYG) SIM cards from your favorite GSM operator.

iSocket products are designed and manufactured in Finland

Trusted by thousands

I would suggest that it is the best solution for power outage monitoring available on the market.

Nick, United Kingdom

It just does what it says, one well built product thats going to do what I want.

Barry Fox, United Kingdom

How the power cut alert feature works

iSocket PowerWatch has a number of built-in features that come as standard, such as free of charge remote switching and rebooting for home appliances. The power cut alert is the main feature of this model. Learn how this feature will work for you and help you prevent loss or damage to your property in the event of power cuts.


Insert a SIM card

No monthly fee. We do NOT charge for this service. A SIM card from your favorite operator is all you need.


Plug in to a wall socket

Plug the iSocket into a wall outlet and wait for it to connect to the mobile network.



This message stores your phone number onto the iSocket and it is then ready to receive power loss notifications.


Get an alert when the power cuts and act accordingly

Forewarned is forearmed. If you are informed of power cuts in good time you can take the corrective action promptly and avoid disaster.

Where do people use iSocket?

iSocket PowerWatch is used to monitor power outage all over the world, by many people in different applications. Look through these applications and see how iSocket can help you. Remember, the cost of the damage from a power outage can be considerably more than the cost of a solution that will send you power outage notifications.

iSocket Smart Plug SMS Manager Android
  • In homes and offices to monitor power outages and to start or stop equipment remotely
  • On farms for remote control the power supply to cattle feeders
  • On boats to monitor shore power loss
  • In data centres to monitor power supply to servers
  • In the fishing industry to monitor power supply to pumps and other equipment used in the fishing and seafood industry
  • Greenhouse owners use iSocket to monitor power supply and to stop or start irrigation systems remotely
  • For ATMs to control power and reboot them when they hang up
  • On weather stations to check power supply to the station and get an alert when power has failed
  • Prompt alert when power fails to billboards on the highways


iSocket for power outages monitoring in the United States and Canada

A small cost for the peace of mind and comfort that iSocket gives you.

Save even more when you buy two or more

Remember, the cost of the damage from a power outage can be considerably more than the cost of a solution that will send you power outage notifications. And remember, power failure alerting is not the only feature iSocket offers you.
You save $9.95
Save even more when you buy two or more
Save even more when you buy two or more

Technical Data & Features of iSocket 3G

Product name:
  • iSocket 3G
  • IS3GUS
  • NEMA 5-15, North America
Main Applications

  • Alerts about power outages / power restore: text, voice to your mobile phone or by email
Built-in rechargeable battery

  • iSocket® Power Notifier - a feature which will notify you in the event of a power outage or when the power is restored
  • Li-ion or Li-po high quality batteries with excess capacity cater for signal delays in the event of a break in the mobile network before sending the power outage alert
  • Charging from internal charger about 10 hours if totally discharged
Safety and security monitoring systems that you can build with this model

(with notification to your mobile phone)

  • Power loss notification system
  • Remote on/off reboot system
  • Power failure alarm
Temperature Control Features

  • iSocket® Temperature Notifier - notifies you in the event of the room temperature falling below or rising above critical levels
  • Thermometer: temperature measurement
  • Thermostat: turn on/off equipment by thermostat's settings
Power Input (Supply Voltage)

  • 110-240VAC, 50-60Hz
Power Consumption

  • Stand-by power ~1W, Green Power
Output Relay

  • Remote turn on/off or restart of 120VAC/240VAC appliances
  • Delayed start/stop, turn on/off for a certain period
  • Scheduling turn on/off
  • Max. switching rating 16A at 250VAC, protected with fuse
Power Rating

  • Max. rating 2000W (16A at 120VAC); 4000W (16A at 250VAC); continuous resistive load
  • Nominal rating 1800W; 3600W for 230VAC
Input for External Temperature Sensor

  • Mini-jack 2.5mm connector on the rear of the device
  • Support sensors from the original manufacturer, which are water-proof, with measurement limits from -55C(-67F) to 120C(248F) and ±0.5°C accuracy from -10°C to +85°C

  • Scheduling some functions to be executed at a particular time
  • Scheduling turn on/off relay
  • Scheduling sending status information

  • Three security levels: password, list of phone numbers, limited configuration interval
  • Support several security numbers to limit acces to management and configuration
Free of charge operations

  • Unique feature of iSocket® Smart Software which allow you to perform some operations, e.g. remote switching or reboot, absolutely free (no fee for a call or SMS)
  • No service fee to manufacturer or dealer
Mobile Network

  • 4-band worldwide GSM 850MHz/900MHz/1800MHz/1900MHz
  • Support for 3G networks
  • iSocket® Online 24/7 - gets the device back online even after a break in the mobile network
  • Automatic date and time synchronization from mobile network
Type of antenna

  • Integrated
SIM socket & SIM cards

Hidden Button

  • For manual switching of main relay and for reset to factory defaults

  • POWER green
  • ONLINE blue
  • OUT red
Configuration and Management

  • SMS control and configuration with traditional "old" phones
  • Management through apps for smart phones
  • FOTA (Firmware Over The Air)
iSocket® Smart Commands

Applications for Smartphones

Operation Conditions

  • Indoor use, dry conditions
  • 0C – +30C (32F – 86F) *According to certifications (official range)
  • -15C – +40C (5F – 104F) *According to experience
Store Conditions

  • -30C – +50C (-22F – 122F)

  • FCC compliance

  • 1 year (for some countries 2 or 3 years)
European Manufacturer

  • Designed and manufactured in Finland