DHI-ARA12-W2 WIRELESS INDOOR ALARM SIREN

KSh 4,500~~KSh 5,000~~-10%

Excl. 16% VAT · KSh 5,220 incl. VAT

You save KSh 500

In stock · ready for dispatch

Delivery countrywideFast delivery within Nairobi · 1–3 working days to other towns via courier

Pay with M-Pesa or on deliveryNairobi customers can pay when the item arrives

Manufacturer warrantyGenuine product · 14-day returns on faulty items

Pick up in storeMontana Mall, Ground Floor, Shop No. 11

Need it installed?Certified technicians, fixed quotes.

About the DHI-ARA12-W2 WIRELESS INDOOR ALARM SIREN

The Dahua DHI-ARA13-W2 (868 MHz) Wireless Indoor Siren provides loud, reliable alerts for alarm events, including intrusion, fire, and other danger warnings. Featuring two-way wireless communication, frequency hopping, and AES128 encryption, it ensures stable, secure operation. With cloud updates, tamper detection, and low battery alarm, this siren is ideal for villas, apartments, shops, and other indoor spaces.

The Dahua Wireless Indoor Siren (868 MHz) is a compact, high-performance alarm device designed to alert occupants immediately when an alarm is triggered. It uses two CR123A batteries for power and can operate for up to 2.5 years under normal usage. The siren emits sound at 84 dB(A) for high volume and 78 dB(A) for medium volume at 1 meter, providing effective deterrence.

Equipped with a green LED indicator, power button, and tamper alarm, it supports cloud updates, test mode, signal strength detection, and temperature measurement for indoor environments. Its PC + ABS casing ensures durability and a clean finish, while bracket mounting allows easy installation.

About this product

The DHI-ARA12-W2 WIRELESS INDOOR ALARM SIREN is a security alarm system device from Dahua. It works as part of an alarm system, helping to detect intrusions and alert you to them.

What to check before you buy

Before buying, check that it is compatible with the alarm panel or hub you use, and whether your system is wired or wireless. Plan which doors, windows and rooms need cover, and test the signal range in your building, because walls and distance affect wireless parts. Secom World can supply and install it for you, so ask us to look at your site if you would like advice on the setup.

Buying from Secom World

Our shop is at Montana Mall, Ground Floor, Shop No. 11, Nairobi, open Monday to Saturday, 8:00am to 6:00pm. You can collect the same day, get delivery in Nairobi the same or next working day, or use our countrywide courier, which takes 1 to 3 working days. Call or WhatsApp 0724 037 449 for stock, advice or a quote.

Specifications

Brand	Dahua
Loud siren	84 dB(A) high / 78 dB(A) medium at 1 m
Indoor temperature measurement	–15 °C to +65 °C (±1 °C)
Carrier Frequency	868.0–868.6 MHz
Transmitter Power (EIRP)	25 mW
Communication Distance	Up to 1,000 m (open space)
Power Supply	2 × CR123A batteries
Power Consumption	Max 240 mW
Operating Temp	–10 °C to +55 °C
Operating Humidity	10–90 % RH
Dimensions	81 × 81 × 26 mm
Weight	105 g (net), 175 g (gross)
Installation	Bracket mount
Certifications	CE, EN 50131 series
Security Grade	2
Environmental Class	II
Battery Life	~2.5 years (triggered twice/week, 120 s each)

Questions about this product

What is the DHI-ARA12-W2 WIRELESS INDOOR ALARM SIREN used for?

The DHI-ARA12-W2 WIRELESS INDOOR ALARM SIREN is a security alarm system device from Dahua. It works as part of an alarm system, helping to detect intrusions and alert you to them.

What are the main specifications of the DHI-ARA12-W2 WIRELESS INDOOR ALARM SIREN?

Loud siren: 84 dB(A) high / 78 dB(A) medium at 1 m; Indoor temperature measurement: –15 °C to +65 °C (±1 °C); Carrier Frequency: 868.0–868.6 MHz; Transmitter Power (EIRP): 25 mW; Communication Distance: Up to 1,000 m (open space). See the full details on this page, or ask us to confirm anything specific.

Will this work with my alarm system?

Check that it is compatible with your panel or hub, and whether your system is wired or wireless. Send us your panel model and we will confirm.

Where can I buy the DHI-ARA12-W2 WIRELESS INDOOR ALARM SIREN in Kenya?

You can buy it at Secom World, Montana Mall, Ground Floor, Shop No. 11, Nairobi, or order on this page. Collection is the same day, Nairobi delivery the same or next working day, and countrywide courier takes 1 to 3 working days.

Can Secom World install the DHI-ARA12-W2 WIRELESS INDOOR ALARM SIREN?

Yes. Secom World supplies and installs security systems for homes and businesses across Kenya. Call or WhatsApp 0724 037 449 to arrange a site visit or a quote.