The Milesight WS101 is a compact, easy to install battery powered wireless smart button used for wireless controls, triggers, and emergency alarm systems, all with a press of a button.

The WS101 supports multiple press actions and can be configured to control devices or trigger scenes. A red button version is also available that is primarily used to send SOS alarms.




Button: 1 × External Button + 1 × Power Reset Button (Internal)

LED Indicator” 1

Buzzer: Support

Colour:  White (Button: White/Red Optional)

Network connectivity: Spark LoRaWAN network

Power Source:

1 × 1650 mAh ER14335 Li-SOCl2 battery



50 × 50 × 18 mm (1.97 × 1.97 × 0.71 in) Button: Φ 20 mm (Φ 0.79 in)

Over 5 years (1080 min interval + 10 presses per day)


Operating temperature: 

-20°C to +60°C


Relative Humidity:

≤90% (non-condensing)



On flat surfaces with screws or 3M tape, Lanyard.

Available on IoT Bridge

Leveraging Microsoft Azure platform and Qrious, IoT Bridge is a central dashboard that lets you control, configure and get insights from your IoT devices.

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Why choose Spark?

Our partnerships

We've partnered with a range of best in class local and international expertise to ensure your business has the most suitable IoT solution.

Our service

We have dedicated experts ready to identify your business problems and opportunities, then plan and deploy the right IoT solution for your business needs.

One stop shop

Our complete range of IoT solutions include hardware, connectivity, data analytics and insights and after sales support. Everything you need in one place to get your business to the future, today.

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Together with our forward-thinking local and global partners, we can provide the right end-to-end IoT solutions to meet your business needs. Our IoT solutions could help you reduce costs, improve health and safety, save time on monitoring and reporting, or increase efficiency and return on investment.

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