# DAHUA ARD822-W2(868) Wireless Panic Button — Battery-Powered Alarm Button, 868 MHz, White

**URL:** https://aio.lv/en/product--dahua-ard822-w2-868--11491539
**Data updated:** 2026-04-19 14:11 (EEST)
**Category:** Sensors & Detectors
**Manufacturer:** DAHUA
**Manufacturer code:** ARD822-W2-868
**EAN:** 6923172538239
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 8.99 €
**Prices and availability valid until:** 2026-08-03 23:59
**Price without VAT (21%):** 7.43 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--dahua-ard822-w2-868--11491539

## Delivery options

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

## Summary description

DAHUA ARD822-W2(868) is a wireless battery-powered panic button designed for alarm systems. Operating at 868 MHz, it provides a simple manual trigger for emergencies and can integrate with compatible security panels. Compact and lightweight in white housing, it suits premises where immediate alarm activation is required, such as homes, offices or care facilities.

## Long description

The DAHUA ARD822-W2(868) is a battery-powered wireless panic button that operates at 868 MHz and integrates with compatible alarm panels. Housed in a compact white enclosure, it offers a manual trigger for emergency situations and is suitable for locations that require a quick method to send an alarm, such as homes, offices and care facilities.
Advantages
This panic button supports two-way RF communication for reliable signalling and provides multiple LED colours to indicate different device statuses. It includes cloud update capability with automatic recovery from update failures and features accidental-press prevention to reduce false alarms. The unit has an IP54 rating for basic protection against dust and splashing water.
Suitable for
 Residential homes for personal emergency alerts
 Office environments for security or medical incidents
 Care homes and assisted-living facilities for resident assistance
 Small commercial premises requiring a discreet panic trigger
When it may not be suitable
This device is a simple manual panic button and does not replace multi-sensor detectors or full-featured alarm control units. It requires a compatible alarm panel that supports 868 MHz wireless devices; compatibility should be confirmed before purchase.
Key specifications
 Wireless frequency: 868 MHz
 Power source: battery-powered
 Communication: two-way RF
 LED indicators: multiple colours for status signalling
 Update method: cloud update with automatic recovery
 Protection rating: IP54
 Housing colour: white
How to use
Install the panic button in a convenient, accessible location and pair it with a compatible security panel according to the panel manufacturer’s pairing procedure. In an emergency, press the button to send the alarm signal; the LED indicators will show status and confirmation. Maintain the battery according to the manufacturer’s guidelines and ensure the device remains within the panel’s wireless range.
What to consider before purchase
 Confirm compatibility with your alarm panel and that it supports 868 MHz wireless devices
 Check battery type and expected battery life from the vendor or documentation
 Consider mounting location and wireless range in your premises
 Ensure IP54 protection level is sufficient for the intended environment
Usage recommendations
Place the unit where it is quickly reachable in emergencies, test pairing and alarm signalling after installation, and schedule periodic battery checks and firmware update verification to ensure reliable operation.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.018 kg |
| Operating relative humidity (H-H) | 10 - 90 |
| Package weight | 48 g |
| Operating temperature (T-T) | -10 - 55 |
| Power source | Battery |
| Height | 55 mm |
| Width | 36 mm |
| Depth | 14.2 mm |
| Connectivity technology | Wireless |
| Product colour | White |
| Purpose | Alarm |
| Package depth | 30.5 mm |
| Package height | 95 mm |
| Package width | 59.5 mm |
| Housing material | Acrylonitrile butadiene styrene (ABS), Polycarbonate (PC) |

## FAQ

### How much does the DAHUA ARD822-W2(868) Wireless Panic Button cost, and is it available for purchase?

The price is 8.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 14 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 Tuesday 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: Cash payment, 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 DAHUA 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 DAHUA 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/11491539/68485668_large.webp