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Dahua Wireless External Triple-Tech Detector

• Support anti-masking detection.
• Support moving detection to prevent someone move or detach the 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 the 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-ARD2251E-W2 SPEC SHEET

Dahua Wireless Input Expander

• 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-ARM320-W2 SPEC SHEET