The VS350 is a battery-powered dual-PIR passage counter with LoRaWAN connectivity. It is 100% GDPR-compliant (no camera), has up to 4 years battery life, and is configured via NFC using the Milesight ToolBox app.

Key specifications

Detection

Dual PIR — bi-directional passage counting

Mounting height

Ceiling: ≤ 3.0 m (max 2.8 m detection width) · Wall: 1.2–1.3 m (max 2.3 m width)

Battery

2 × ER14505 Li-SOCl2, ~4 years at 10-min interval

Temperature range

Operating: −20°C to 60°C · Optimal accuracy: 15°C to 32°C

Connectivity

LoRaWAN (EU868, US915, CN470 and others)

Certification

CE, FCC, RoHS, IP30

Step 1 — Install the ToolBox app and connect via NFC

Download Milesight ToolBox from the iOS App Store or Google Play.
Enable NFC on your smartphone.
Open ToolBox and hold your phone's NFC zone against the VS350.
Tap NFC Read to retrieve device settings.
Default password: 123456 — change this for security.

Step 2 — Configure general settings

Report Mode

From Now On (recommended)

Reporting Interval

10 minutes (default). Range 1–1440 min

Enable Data Storage

ON — stores up to 1,000 records for backfill

Enable Data Retransmission

ON — retransmits missed data after network outages

Report Accumulated Values

Report Temperature

ON (VS350 has a built-in temperature sensor)

Step 3 — LoRaWAN network settings

LoRaWAN Version

V1.0.2 (preferred — V1.0.3 has known issues)

Work Mode

Class A (standard)

Join Type

OTAA

App EUI

24E124C0002A0001 (standard Milesight App EUI)

Application Port

Application Key

5572404C696E6B4C6F52613230313823 (do not change)

Support Frequency

EU868 (Europe) or US915 (North America) — match your gateway

ADR Mode

ON — optimises data rate and battery for strong signals

Rejoin Mode

ON — auto-reconnects if network is lost

Channel Mode

Standard-Channel (default) — use Single-Channel only with DS7610 gateway

Step 4 — Write settings to the device

After configuring all settings, tap Write in ToolBox to push all changes to the VS350. Wait for confirmation, then test that data is transmitting.

Step 5 — Register VS350 in Vemcount

Go to ⚙ Settings → Devices → + Add sensor.
Enter Name, set Subscription, set Vendor to Milesight IoT, set Frequency Plan to match your region, and enter the DevEUI from the ToolBox Device Info screen.
Click Submit.

Mounting guidelines

Ceiling mount

Height ≤ 3.0 m. Device faces directly down. Min 45 cm from wall. Max detection width 2.8 m.

Wall mount

Height 1.2–1.3 m. Max detection width 2.3 m. Avoid mounting opposite transparent surfaces (glass).

Maintenance: Replace batteries every 3–4 years. Use ToolBox periodically to confirm device is transmitting. Keep the sensor away from high-temperature environments to maintain PIR accuracy.

7PM

GMT+2

7PM

GMT+2

7PM

GMT+2

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