DH-ARA16
MSRP
- It operates on a rated voltage of DC 12V and has an output sound pressure level of at least 105 dB/m, making it quite effective for security purposes.
- The siren is made of ABS plastic and features a sturdy iron bracket.
Related products
ARA34E
MSRP
- It allows for secure wall mounting and offers horizontal angle adjustment of ±40° for optimal positioning.
- Made from aluminum alloy, it provides basic anti-corrosion protection and operates in temperatures ranging from -25°C to +60°C.
- Its compact dimensions are approximately 94 mm × 73.4 mm × 55 mm, and it weighs about 140 g.

DHI-ARD2251E-W2(868V)
MSRP
Dahua Wireless External PIR-Camera (Only compatible with ARC3800H series)
> Support anti-masking detection.
> Support moving detection to prevent someone move or detach device.
> Supports video verification.
> IR illumination range of 15 m at night.
> Pet immunity: up to 80 cm, 40kg.
> Support environment temperature monitoring.
> Supports two-way communication and frequency hopping to make communication with alarm hub stable and reliable.
> Features cloud update. You can also remotely update the device on the mobile app.
> Offers a dual backup system, and uses auto recovery when an update fails.
> Suitable for the ARC3800H series only, excluding the ARC3000H series and ARA43 series.
DHI-ARD323-W2(868)
MSRP
DHI-ARD512-W2(868)
MSRP
- Detects when the glass is broken, triggering alarms for different types of glass such as tempered, double-glazed, laminated, wired, plate and float glass.
- Detects high and low frequency sounds at the same time, and uses algorithms to reduce the occurrence of false alarms.
- Two-channel alarm input.
- Cloud update and automatic recovery from update failure.
- The two-way wireless encrypted communication mechanism improves the security and stability of communication.
- With the wireless frequency hopping mechanism, the device auto matically hops to other available frequency bands when the original frequency band is being interfered with by other wireless radios, to ensure communication remains stable.

DHI-ARD822-W2(868)
MSRP
DHI-ARD912-W2(868D)
MSRP
Frequency hopping and two-way communication technology ensure that communication is stable > Supports jamming detection and communication encryption. > Supports cloud update and automatically restores when cloud update fails. > Displays the temperature of the surrounding environment and supports the overheating alarm. > Sensitivity adjustment.

DHI-ARM7011-W2(868)
MSRP
- Wireless Relay
- Frequency hopping and two-way communication technology ensure that communication is stable.
- Supports jamming detection and communication encryption.
- Supports cloud update and automatically restores when cloud update fails.
- Overheating protection.
- Voltage detection.
- 1 channel external tamper input.

DHI-ARM9A4-P-W2(868)
MSRP
Connection to Hub through RF or network communication. > 16 alarm inputs, 4 relay outputs. > 2 auxiliary power outputs with a maximum power of 24W for powering wired detector and siren, and support overload and short circuit detection. > POE, AC power and rechargeable battery (optional) three power supply options.
