Milesight VS321 - Wireless AI Occupancy Sensor

Milesight VS321 - Wireless AI Occupancy Sensor


Battery-powered LoRaWAN® AI occupancy sensor for people counting and desk occupancy, up to 95 % accuracy. Privacy-safe (no images), over 10-year battery life. More
Manufacturer: Milesight Product code: 99.26.3639.1421

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169 EUR excl. VAT (204,49 EUR incl. VAT)
In stock at supplier
Battery-powered LoRaWAN® AI occupancy sensor for people counting and desk occupancy, up to 95 % accuracy. Privacy-safe (no images), over 10-year battery life. More
Manufacturer: Milesight Product code: 99.26.3639.1421

The Milesight VS321-868M is a fully wireless AI occupancy sensor combining a low-power AI chip, PIR-triggered wake-up and an RGB camera to count people or detect desk occupancy in two switchable modes, at up to 95 % accuracy across a 129° × 93° field of view. Integrated temperature, humidity and light sensors add basic environmental data.

All processing is on-device — no images are stored or transmitted, only anonymous data, keeping it GDPR compliant. It runs on four replaceable Li-SOCl₂ batteries for over 10 years, communicates over LoRaWAN® Class A (EU868) with Milesight D2D, and is configured via NFC.

Before you install

  • Setup: via the Milesight ToolBox app (Bluetooth).
  • Power: 4× lithium batteries (ER14505); USB-C for temporary use only.
  • Data: over LoRaWAN — needs a LoRaWAN gateway to send data (sold separately); remote monitoring via the Milesight platform is free for up to 10 devices. Also supports Milesight D2D for direct control without a gateway.

Parameters

Wireless Protocol LoRaWAN®, Class A (OTAA/ABP), Milesight D2D support
Frequency EU868, max. 16 dBm
Sensing Technology AI chip + PIR-triggered RGB camera; people counting / desk occupancy; onboard T/H/light
Detection / Range FoV 129° H × 93° V; PIR 115°, 4 m
Installation Height 2.4–4 m (≥50 lux)
Accuracy Up to 95 %
Privacy No images captured — 100 % anonymous, GDPR compliant
Battery 4 × 2700 mAh Li-SOCl₂ (ER14505) or USB-C, over 10 years
Configuration NFC via Mobile App, Downlink
Enclosure PC (UL94 V2), IP30
Dimensions 100 × 100 × 26 mm
Weight 145 g (without batteries)
Mounting Ceiling (screws or twist-lock bracket)
Certifications CE, FCC

Documentation

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