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The world's best alarm clock.
The world's best alarm clock.



The Doppler is Amazon Alexa enabled, so you can communicate with the Doppler using your voice. Amazon Alexa is built in the cloud, so it is always getting smarter. The more you use Alexa, the more it adapts to your speech patterns, vocabulary, and preferences with new features continually being added. Ask Alexa to answer questions, hear the news, get weather and traffic reports, control your smart home, and more.

You can use most Amazon Alexa skills on the Doppler. These will expand its capabilities even further. Some examples include:


Tired of repeating yourself or need to be quiet? Use the Doppler's customizable smart buttons to repeat a command at the press of a button. Stream music or automate your home, the possibilities are endless. Want to turn on the lights or order pizza? The quick access buttons will allow you to activate tons of services at the touch of a button.

Some of many examples that work with the Doppler's quick access buttons.
Some of many examples that work with the Doppler's quick access buttons.

Quick Access examples: 


With acoustically and digitally tuned full-range stereo speakers, the Sandman Doppler plays music with amazing clarity.  

The Doppler connects via Bluetooth to your phone allowing you to stream your favorite music to the Doppler's speakers. 

Just like smartphones or computers, the Doppler connects to your home’s internet wirelessly via Wi-Fi. This allows features that most alarm clocks don’t have like weather notifications, Amazon Alexa, and automatic time syncing.


 At a glance, quickly view the traffic on your commute, today's weather, stock prices, or even your calendar. Don't need that information? You can turn it off leaving just the time on the Doppler's huge 1.8" display. The Doppler also has a built in light sensor so the screen will automatically adjust when the brightness in the room changes, you can even turn the display totally off if you'd prefer to sleep in total darkness.

Multi-color RGB LED's allow you to customize the Doppler's screen color. Teal? Ochre? Fuchsia? No problem!


Phones, smartwatches, fitness trackers, tablets, power banks, cameras, and anything else that charges via USB are no problem for the Doppler. It has 6 high power USB charging ports so you can charge all of your devices at once.

To eliminate the mess of all of these cables the Doppler has a simple and effective cable management system which allows you to route your cables underneath the Doppler to organize them. There is no power brick so only one power cable goes from the back of the Doppler to the wall. The Doppler's internal power supply is dual voltage (110/220) so it will work worldwide. 


 In case your devices have USB-C you won't be left without a charge. You can swap out three regular USB ports and get three USB-C ports (sold separately and will be available at launch).


It's a smart clock, so it must have an app! Easily setup and control all aspects of the Doppler from the intuitive and free Sandman app (iOS and Android). You’ll need to use the app when you setup the Doppler and to update the software on the Doppler. We will be able to update the Doppler’s feature remotely so you can look forward to new features all the time.

Using the app you’ll be able to control multiple alarms on different days of the week. You’ll also be able to set alarms with your voice or directly onto the Doppler using the buttons. A large snooze button on top delays the inevitable. 

App UX development
App UX development


Keep track of the time with large 1.8 inch auto-dimming numbers. Time can be displayable in 12 or 24 hour time modes.


The Doppler is powered by the Next Thing Co.’s C.H.I.P. Pro and are both open source products. Want to add your own features? Great! Access the C.H.I.P. Pro via a hidden Micro-USB port.


Some have said that the bedside Alarm is going the way of the dodo, we all have phones! Here is why the Doppler is going to save the alarm clock from extinction.

It's Better at Checking the Time

We have all been there before, you want to check the time in the middle of the night. When you look at your phone you get blinded even if you have your brightness set to the lowest settings. After you check the time you frequently get distracted by whatever else is on your phone causing restless sleep. With an alarm clock like the Doppler, it's huge 1.8" numbers can be easily seen from across the room or without your glasses on.

It's Better at Snoozing

The Doppler can't be easily knocked off, tilted, or moved on your nightstand. The Doppler's illuminated snooze button makes it easy to find, even in a sleepy daze.

It's Better at Playing Your Music

Phone speakers are getting better and better every generation, but they aren't anything compared to the stereo speakers on the Doppler.

It Comes at a Better Price

A comparable setup would cost you:

  • Amazon Echo Dot ($50)
  • 6-port USB Charging Station ($23)
  • Bluetooth Stereo Speaker ($75)
  • Alarm Clock ($19)
  • Power Strip ($10)
  • 6 USB extension cables ($30)

Comparable setup  = $207

Sandman Doppler = $144  (Kickstarter price plus shipping to Singapore)

    • + includes customizable RGB digits
    • + includes date, weather, temperature Dashboard indicators
    • + clean cable management



For those who love the nitty gritty details, here they are!  


  • Width: 11.6" (29.5cm)
  • Height: 4" (10.2cm)
  • Depth: 4.7" (12cm)


  • Stereo Speakers with Bass Port
  • 220 Hz - 20 kHz
  • 14 Watt


  • Large 1.8" Digits
  • Auto-dimming
  • Customizable colors and brightness
  • Display can be turned off
  • Dashboard indicators with 29 RGB dots, traffic, weather, temperature, and day of the week lights
  • 12 & 24 hour time modes

Data Connection

  • Bluetooth 4.2
  • WiFi B/G/N
  • Hidden Micro-USB


  • 6 USB ports total
  • 6 High Power (2.1 amp each)
  • 3 ports user upgradeable to USB-C (sold separately)
  • Internal rechargeable battery backup in case of loss of power for alarm

C.H.I.P. Pro

  • Hidden Micro-USB port access
  • Linux OS

Amazon Alexa

 Amazon Alexa is currently only available in the following countries (as of 7/2017).  

  • United States of America
  • United Kingdom
  • Germany

Amazon is quickly expanding Amazon Alexa to other countries. If you don't have Amazon Alexa available in your country the Doppler will still work great, it just won't have all the functionality listed on this page. Any other way to get Amazon Alexa working on the device is not supported.

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