# Window and Door Sensor Nous E3 — Zigbee wireless contact sensor for open/close detection

**URL:** https://aio.lv/en/product--nous-e3--10540989
**Data updated:** 2026-03-11 11:53 (EET)
**Category:** Smart Sensors
**Manufacturer:** Nous
**Manufacturer code:** E3
**EAN:** 5907772033876
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 22.99 €
**Prices and availability valid until:** 2026-07-06 23:59
**Price without VAT (21%):** 19.00 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--nous-e3--10540989

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Nous E3 is a Zigbee window and door wireless contact sensor designed to detect open/close status of doors and windows. It connects via Zigbee protocol to compatible smart home hubs, enabling presence-triggered automation, security alerts and status monitoring. Compact and battery-powered, it suits smart security setups, automation scenes and remote state reporting.

## Long description

Nous E3 is a Zigbee wireless contact sensor for detecting the open or closed state of windows and doors. The compact, battery-powered device reports status changes over the Zigbee network to compatible smart home hubs, allowing remote monitoring, event-triggered automations and integration with home security systems. Its low-profile design and magnetic reed sensor make it suitable for concealed mounting on frames and sashes where reliable state detection is required.
Advantages
The sensor offers wireless Zigbee connectivity for low-latency status updates and compatibility with a range of Zigbee hubs. Its compact form factor and magnetic activation mechanism enable unobtrusive installation without routing wires. Battery operation provides placement flexibility, and the device supports rapid detection of open/close transitions for accurate automation and alerting. The sensor’s straightforward design simplifies pairing and integration into existing smart home setups.
Suitable for
 Home security monitoring of doors and windows
 Triggering automation scenes (lights, alarms, HVAC)
 Remote status reporting for occupied/unoccupied workflows
 Concealed or surface mounting on frames and sashes
Key specifications
 Wireless protocol: Zigbee for local smart home integration
 Power source: battery operation for flexible placement
 Detection method: magnetic contact (reed switch) for open/close sensing
 Form factor: compact, low-profile housing suitable for frame or sash mounting
 Report type: binary status reports (open/closed) and state change notifications
How to use
Install the sensor by mounting the main body and the accompanying magnet on the window or door and its frame so that the magnet aligns with the sensor when the opening is closed. Insert the battery following the manufacturer’s polarity instructions, then put the device into pairing mode and add it to a Zigbee-compatible hub according to the hub’s inclusion procedure. After successful pairing, configure automation rules or notifications in the hub’s app to receive open/close alerts or trigger scenes.
Usage recommendations
Position the sensor and magnet within the recommended gap (typically a few millimetres) to ensure reliable magnetic activation. Avoid placing the magnet near large ferrous objects or strong electromagnetic sources. Check battery level periodically through the hub and replace the battery when the hub reports low battery to maintain uninterrupted reporting and automation.

## FAQ

### How much does the Nous E3 Zigbee Window and Door Sensor cost, and is it available for purchase?

The price is 22.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 15 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 01.07.2026 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 Nous 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 Nous 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/10540989/68538585_large.webp