DHI-ARD822-W2(868)-L

"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."

"Two-way communication. Displays the status of the LED indicator. Supports cloud update and automatically restores when cloud update fails. Overheating alarm. Sensitivity adjustment."

"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."

Including one each of Base model Hub, PIR, Magnetic Contact, and Keyfob