# Zigbee sensor Gosund ST18 door and window opening detection

**URL:** https://aio.lv/en/product--gosund-st18--10998450
**Data updated:** 2026-09-18 04:43 (EEST)
**Category:** Control Systems
**Manufacturer:** Gosund
**Manufacturer code:** ST18
**EAN:** 6977038680273
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 9.99 €
**Prices and availability valid until:** 2026-11-09 23:59
**Price without VAT (21%):** 8.26 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--gosund-st18--10998450

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 26.10.2026 | free |
| Pickup points | 29.10.2026 | 1.99 EUR |
| Courier delivery to door | 29.10.2026 | 4.99 EUR |

## Summary description

The Zigbee sensor Gosund ST18 is a smart wireless device designed for door and window opening detection. Utilizing Zigbee technology and Tuya compatibility, it integrates seamlessly into your smart home automation system to monitor security, trigger routines, and provide real-time status updates for enhanced home safety and energy efficiency.

## Long description

The Zigbee sensor Gosund ST18 door and window opening detection is a smart wireless device designed to monitor the security of entry points in residential or office environments. Utilizing reliable Zigbee technology and Tuya compatibility, this sensor integrates seamlessly into existing smart home automation ecosystems. It provides real-time status updates, instant notifications, and helps improve both home safety and energy efficiency through intelligent lighting and climate control automation.
Advantages
The Gosund ST18 sensor delivers reliable performance through advanced wireless technology, offering instant push notifications directly to a smartphone whenever a door or window is opened or closed. Its compact dimensions and lightweight construction enable discreet mounting on various frames without compromising interior aesthetics. The device supports multi-user sharing via mobile applications, ensuring that all household members can stay informed about home security status. Additionally, the energy-efficient design powered by standard replaceable batteries ensures extended operational periods with low standby consumption.
Suitable for
Monitoring entry points such as front doors, back doors, and windows
Integrating security routines into smart home automation systems
Triggering automated lighting scenarios upon entering a room
Remote real-time security tracking while away from home
Shared household security management via mobile applications
When it may not be suitable
This sensor may not be suitable for outdoor installations or environments exposed to direct weather elements, as it is designed for indoor use within specified temperature and humidity ranges. Furthermore, it requires a compatible Zigbee gateway or hub to function properly and cannot connect directly to standard Wi-Fi networks without an intermediary bridge.
Key specifications
Wireless technology: Zigbee 2.4GHz IEEE 802.15.4Compatibility: Tuya, Smart Life applicationPower supply: Two AAA LR03 1.5V alkaline batteriesBattery life: Up to 16 months or 6000 activation timesDimensions of sensor: 71 x 25 x 20 mmDimensions of magnet: 36 x 10 x 17 mmHousing material: ABS plasticOperating temperature range: 0°C to 40°COperating humidity range: 20% to 85% RH
How to use
To begin using the Gosund ST18 sensor, insert two AAA batteries into the battery compartment and ensure the device pairs with your compatible Zigbee hub through the mobile application. Clean and dry the mounting surface on the door or window frame, then attach the sensor and its corresponding magnet securely using the appropriate mounting method. Ensure that the gap between the sensor and the magnet remains under 10 mm during closure to guarantee accurate detection. Test the device by opening and closing the door or window to verify that real-time notifications and automation triggers function correctly.
What to consider before purchase
Verify the availability of a compatible Zigbee gateway or hub in your smart home network
Check that the installation gap between the sensor and magnet will not exceed 10 mm on your specific doors or windows
Confirm indoor placement within the permitted operating temperature and humidity limits
Ensure familiarity with the Tuya or Smart Life mobile application for configuration and sharing
Usage recommendations
Regularly check the battery status indicator within the mobile application and replace the AAA batteries promptly when the low-battery warning appears to prevent monitoring interruptions. Clean the exterior surfaces periodically with a dry cloth and avoid exposing the device to excessive moisture or extreme temperatures outside the recommended operating limits.

## FAQ

### How much does the Zigbee sensor Gosund ST18 Door and Window cost, and is it available for purchase?

The price is 9.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 419 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 26.10.2026 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 Gosund 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 Gosund 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/10998450/70148008_large.webp