Dahua DHI-ARD821-W2(868) detector/sensor

Advantages

• ✓Instant call with a single press — in an emergency there is no need to search for a phone or dial a number, just press the button
• ✓Protection against accidental pressing — the structural protection prevents false alarms during everyday carrying or storage
• ✓IP54 protection class — resistance to dust and water splashes for use in various conditions
• ✓Multi-color LED indication — quick visual check of the button status and quality of communication with the panel
• ✓Firmware update via the cloud — automatic recovery ensures constant device readiness
• ✓Wireless communication 868 MHz — freedom of placement without running cables and mounting at fixed points

Applications

• ✓Banks and jewelry stores — a hidden panic button at the workplace of a cashier or salesperson
• ✓Medical facilities — emergency staff call by a patient or employee
• ✓Lonely elderly people — a personal help button at home
• ✓Protected facilities with the Dahua wireless system — an additional line of manual notification

Frequently asked questions