

Product Description
VS321-915M-W
The VS321 is a battery-powered AI sensor for detecting occupancy and monitoring environmental conditions.
With D2D and LoRaWAN® support, it enables automation and remote management.
Ideal for offices, meeting rooms, and campuses to enhance comfort, efficiency and space utilisation.
Introducing the VS330, Optimising Workspace with Smart Sensing
Key Features
- Wireless Battery Version (10+ Years of Life).
- Multi Sensors Built-in (Temperature, Humidity & Light).
- Up to 95% Occupancy Detention Accuracy.
- Dual modes for multiple scenarios, People Counting & Desk Occupancy to fit diverse workplace needs.
- 100% Anonymous Detection with secure sensing.
- Unique Milesight D2D Controller to trigger other devices directly without gateway.
- Bluetooth Setup for Easy Deployment, supporting mobile app configuration for quick installation and maintenance.
Manage Meeting Rooms with the VS321 Wireless AI Occupancy Sensor
The VS321 detects occupancy at configurable intervals through regional people counting and workstation-level detection, helping optimise layouts, improve space usage and reduce energy consumption without invasive monitoring.
Smarter Desk Use with Workstation Occupancy Detection
With support for 4 to 8 desk detection zones, the VS321 detects desk-level occupancy to support flexible seating and space planning. Wireless and battery-powered, it offers effortless installation and interval-based updates for data-driven office management.
Cutting-Edge Sensing with Less Power
Combining PIR motion sensing with an RGB camera and embedded AI algorithms, the VS321, achieves up to 95% occupancy detection accuracy.
Detention Mode
Leveraging PIR to trigger the camera only upon motion detection, with AI analysing images to determine occupancy, this sensor has a dual-tech approach ensuring accurate detection, enabling efficient workstation management and reduces power consumption for longer battery life.
VS321-915M-B
The VS321 is a battery-powered AI sensor for detecting occupancy and monitoring environmental conditions.
With D2D and LoRaWAN® support, it enables automation and remote management.
Ideal for offices, meeting rooms, and campuses to enhance comfort, efficiency and space utilisation.
Introducing the VS330, Optimising Workspace with Smart Sensing
Key Features
- Wireless Battery Version (10+ Years of Life).
- Multi Sensors Built-in (Temperature, Humidity & Light).
- Up to 95% Occupancy Detention Accuracy.
- Dual modes for multiple scenarios, People Counting & Desk Occupancy to fit diverse workplace needs.
- 100% Anonymous Detection with secure sensing.
- Unique Milesight D2D Controller to trigger other devices directly without gateway.
- Bluetooth Setup for Easy Deployment, supporting mobile app configuration for quick installation and maintenance.
Manage Meeting Rooms with the VS321 Wireless AI Occupancy Sensor
The VS321 detects occupancy at configurable intervals through regional people counting and workstation-level detection, helping optimise layouts, improve space usage and reduce energy consumption without invasive monitoring.
Smarter Desk Use with Workstation Occupancy Detection
With support for 4 to 8 desk detection zones, the VS321 detects desk-level occupancy to support flexible seating and space planning. Wireless and battery-powered, it offers effortless installation and interval-based updates for data-driven office management.
Cutting-Edge Sensing with Less Power
Combining PIR motion sensing with an RGB camera and embedded AI algorithms, the VS321, achieves up to 95% occupancy detection accuracy.
Detention Mode
Leveraging PIR to trigger the camera only upon motion detection, with AI analysing images to determine occupancy, this sensor has a dual-tech approach ensuring accurate detection, enabling efficient workstation management and reduces power consumption for longer battery life.
Product Specification
VS321-915M-W
The VS321 is a low-power, battery-operated wireless occupancy sensor empowered by advanced AI algorithms. With built-in temperature, humidity and ambient light sensors to provide comprehensive environmental monitoring. This sensor can be used in scenarios such as meeting rooms, offices and campuses to detect space occupancy or personnel activity.
Download VS321 Datasheet
Download VS321 User Guide
VS321-915M-B
The VS321 is a low-power, battery-operated wireless occupancy sensor empowered by advanced AI algorithms. With built-in temperature, humidity and ambient light sensors to provide comprehensive environmental monitoring. This sensor can be used in scenarios such as meeting rooms, offices and campuses to detect space occupancy or personnel activity.
Download VS321 Datasheet
Download VS321 User Guide
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