Lone worker alarm for heavy duty workers

Robust and powerful


TWIG One lone worker alarm device is designed to protect lone workers in noisy and hazardous industrial environments. 

  • Key lone worker protection functions

  • Powerful loudspeaker

  • Robust design 

  • Compatible accessories

  • Scalable functions

  • Easy integration to various monitoring systems

Customize your device

Mandown alert in falls, no movement, impact and free falls.

Accurate location

Greater accuracy provided by 3 satellite navigation systems.

Hands-free calls over LTE

SOS alert

Emergency alert to predefined numbers.


Track the alarm and view its positions on map.

Locate with SRD, Wi-Fi and Bluetooth beacons indoors.

SOS button

Dedicated and configurable SOS key with optional colour.

Remote management

Firmware update over-the-air. 

Manage and monitor with TWIG Point platform or 

integrate to your own monitoring system

Book a demo

TWIG One protecting lone workers in

  Construction industry

Lone worker safety in construction

What is your lone worker safety need? 

Let us help you to find the best solution for your use case

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