DHI-ARD822-W2(868)

• 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.

• 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.

• Wireless Panic Button
• Two-way RF communication.
• Provides multiple LED colors to indicate different statuses.
• Cloud update and automatic recovery from update failure.
• Offers accidental press prevention.
• IP54 rated.

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.