# Presence sensor PNI HS402 Wi‑Fi with millimeter radar waves, detection range 10 m, motion detection

**URL:** https://aio.lv/en/product--pni-eb1387815837--11691292
**Data updated:** 2026-02-17 11:02 (EET)
**Category:** Smart Sensors
**Manufacturer:** PNI
**Manufacturer code:** EB1387815837#
**EAN:** 5949066538988
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 24.80 €
**Prices and availability valid until:** 2026-07-25 23:59
**Price without VAT (21%):** 20.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--pni-eb1387815837--11691292

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 02.07.2026 | free |
| Pickup points | 07.07.2026 | 1.89 EUR |
| Courier delivery to door | 07.07.2026 | 4.99 EUR |

## Summary description

PNI HS402 is a Wi‑Fi presence sensor using millimeter radar waves to detect motion within a 10 m range. Designed for indoor monitoring and automation, it identifies human movement reliably and can trigger alarms, lighting or smart home actions. Easy to integrate into Wi‑Fi networks, it provides non‑visual detection suitable for low‑light or obscured environments.

## Long description

PNI HS402 Wi‑Fi presence sensor uses millimeter radar waves to detect human motion within a 10 m range. Designed for indoor monitoring and smart automation, the sensor provides non‑visual motion detection that works in low light and through partial obstructions. It connects to a local Wi‑Fi network for remote status reporting and can trigger alarms, lighting scenes or other smart home actions based on detected presence.
Advantages
The millimeter radar technology ensures reliable detection of small movements and respiration-level activity, improving sensitivity compared with many passive infrared devices. Wi‑Fi connectivity enables integration with existing smart home systems without additional wiring; the compact design allows unobtrusive mounting on ceilings or walls. The device operates independently of ambient light and is less affected by temperature changes or pets when configured properly.
Suitable for
Home automation and presence-based lighting control
Indoor security and alarm triggering in hallways, rooms and entryways
Occupancy sensing for energy management in offices or meeting rooms
Detection in low‑light, smoky or partially obscured environments
Key specifications
Detection technology: millimeter radar (Doppler-based motion detection)
Detection range: up to 10 meters
Coverage: typically hemispherical or adjustable cone depending on mounting position
Connectivity: Wi‑Fi network integration for status updates and remote commands
Power: low-power design suitable for continuous operation (power specifics depend on installation)
Mounting: ceiling or wall mounting for optimal coverage
Detection capability: human presence, small motion and respiration-level movement
How to use
Mount the PNI HS402 at the recommended height and position for the intended coverage area, ensuring the sensor faces the monitored zone and is free from large reflective surfaces directly in front. Connect the device to the local Wi‑Fi network using the manufacturer's setup procedure or application, then configure detection sensitivity and integration options for alarms, lighting or automation scenes. Test detection across the target area and adjust orientation or sensitivity to reduce false triggers from pets or mechanical sources.
Usage recommendations
For reliable performance, position the sensor on a ceiling or high wall centered over the area to monitor, avoid direct alignment with large metal objects or mirrors, and configure sensitivity and exclusion zones via the setup app. Combine with smart home routines to act on presence events (lighting, HVAC, alarm). Periodically verify Wi‑Fi signal strength and update firmware when available to maintain secure and accurate operation.

## FAQ

### How much does the PNI HS402 presence sensor Wi‑Fi 10 m cost, and is it available for purchase?

The price is 24.80 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 02.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All PNI products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized PNI service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11691292/67050211_large.webp