DHI-ARM310-W2(868)
MSRP
- Wireless input expander
- Six types of alarm: intrusion, medical, fire, emergency, gas, and tamper.
- NC and NO are available for alarm inputs (NO by default).
- Signal strength detection.
- Low battery alarm.
- Temperature monitoring.
- Frequency hopping function and two-way communication technology ensure communication stability.
- Cloud update and automatic recovery from update failure.
Related products
DHI-ARA24-W2(868)
DHI-ARA33A
DHI-ARC3800H-W2(868)
> Supports alarm video verification through integration of the IPC with the hub.
> Images can be remotely and quickly transferred from the PIR-Cam to the device.
> Supports wired and AP network configuration methods, which makes it easier to add the hub to apps and to switch to the hub's network.
> Supports multi-network redundancy for Ethernet and Wi-Fi to ensure the network remains stable and reliable.
> Supports two-way communication and frequency hopping to make communication with wireless peripherals stable and reliable.
> Features cloud update. You can also remotely update the device and wireless peripherals on the mobile app. Offers a dual backup system, and uses auto recovery when an update fails.
DHI-ARD2251E-W2(868)
Dahua Wireless External Triple-Tech Detector
> Support anti-masking detection.
> Support moving detection to prevent someone move or detach device.
> Support the installation of camera modules to form PIR-Cam to implement video verification.
> 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.
DHI-ARD821-W2(868)
DHI-ARD912-W2(868D)
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-ARM320-W2(868)
- Six types of alarms: Intrusion, medical, fire, emergency, gas, and tamper.
- Connects to external power supplies.
- Triggers alarms when the device is moved.
- Alarms go off when the device overheats.
- Cloud update.
- The two-way wireless encrypted communication mechanism improves the security and stability of communication.
- With the wireless frequency hopping mechanism, the device automatically hops to other available frequency bands when the original frequency band is being interfered with by other wireless radios, to ensure communication remains smooth.

DHI-ART-ARC3800H-03-W2(868)
- Supports alarm video verification through integration of the IPC with the hub.
- Images can be remotely and quickly transferred from the PIR-Cam to the device.
- Features voice call alarm.
- Supports wired and AP network configuration methods, which makes it easier to add the hub to apps and to switch to the hub's network.
- Supports multi-network redundancy for Ethernet and Wi-Fi to ensure the network remains stable and reliable.
- Supports two-way communication and frequency hopping to make communication with wireless peripherals stable and reliable.
- Features cloud update. You can also remotely update the device and wireless peripherals on the mobile app.
- Offers a dual backup system, and uses auto recovery when an update fails.