---
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title: "VS351 - Mini LoRaWAN People Counter"
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## Available variants

---
title: "VS351 - Mini LoRaWAN People Counter — Variant: Thermopile version"
sku: "VS351-868M-WHITE"
canonical_url: "https://shop.marcomweb.it/en/milesight-lorawan/vs351-mini-lorawan-people-counter?config=2335"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

---
title: "VS351 - Mini LoRaWAN People Counter — Variant: Thermopile and Radar Version – battery"
sku: "VS351-868M-WHITE BATTERY"
canonical_url: "https://shop.marcomweb.it/en/milesight-lorawan/vs351-mini-lorawan-people-counter?config=2336"
brand: "MARCOM S.r.l."
end_of_life: "false"
---

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VS351 - LoRaWAN AI Thermopile Mini People Counter

The VS351 is a compact AI thermopile people counter, designed for indoor and exit applications. It offers high precision in bi-directional people counting, enabling effective pedestrian traffic analysis and efficient space management. In combination with a radar sensor for presence detection, it intelligently programs the thermopile activation time to optimize energy consumption. As a Milesight D2D controller, the VS351 seamlessly communicates with other MilesightD2D devices, establishing more possible connections and paving the way for smoother operations. With easy configuration and wireless detection, the VS351 facilitates deployment and connectivity. In compliance with the MilesightLoRaWAN® gateway and the Milesight IoT Cloud solution, users can know the number of people in any indoor space and easily activate other sensors or appliances via a web page or mobile app remotely.

## Technical Specifications

- Radar Technology (battery version only) and Thermopile
- Installation Height 2.3 m ~ 3.0 m
- Detection Range 5.55 m x 2.30 m at 3 m installation height
- Adjustable Sensor Angle 0°~90°
- Detection Speed1 Up to 95% (single person2: up to 99%)
- Optimal Operating Temperature 15 °C ~ 30 °C
- Advanced Features U-Turn Filtering, Bi-directional People Counting, Side-by-side differentiation
- Operating Temperature
- Range -30°C ~ 70°C
- Accuracy ± 2°C
- Power Supply 1. 5V/1A via Type-C port (both versions)
- 2. 4 replaceable ER26500 Li-SOCl2 9000 mAh batteries (battery version only)
- Battery Life3 Approximately 1.6 years (30-minute interval, 25°C, 1000 people per day)
- Operating Temperature -20°C ~ 60°C
- Relative Humidity 0% - 95% (non-condensing)
- Ingress Protection IP30
- Dimensions Type-C version: 70 x 68 x 32 mm (2.76 x 2.68 x 1.26 inches)
- Battery version: 188 x 68 x 32 mm (7.40 x 2.68 x 1.26 inches)
- Material and Color PC (flame-retardant), white
- Installation Ceiling mount, lintel mount

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Source: https://shop.marcomweb.it/en/milesight-lorawan/vs351-mini-lorawan-people-counter

MARCOM S.r.l. — a trusted supplier for industrial automation and building automation.