Dahua DHI-ARD821-W2(868) Wireless Panic Button

The Dahua DHI-ARD821-W2(868) wireless panic button is very intuitive.

The Dahua DHI-ARD821-W2(868) wireless panic button supports multiple types of alarms to respond to a wide variety of scenarios, triggering alarms for intrusions, fires, gas leaks, etc.

The Dahua DHI-ARD821-W2(868) wireless panic button can also be used to notify the monitoring center and your loved ones that you need medical help, giving them the opportunity to come to your assistance.

Alarm event notifications are sent to the monitoring center to ensure a quick response, and it's up to you to keep up to date.

Characteristics Dahua DHI-ARD821-W2(868) Wireless Panic Button:

• One-button panic switch

• LED indicator for multiple states

• Signal strength detection

• Test mode

• 868~868.6MHz Two-Way Radio Communication

• Radio range up to 1.4 km in free field

• Frequency hopping

• AES128 encryption mode

• Low battery detection (display of battery level on the app)

• Powered by CR2032 battery (lifespan up to 5 years with two activations per week)

• Maximum consumption 28mA

• Operating temperature -10°C ~ +55°C

• Relative humidity 10%~90%

• Ip54 protection rating

• Polycarbonate and ABS plastic housing

• Dimensions: 36 (W) x 55 (H) x 14.2 mm

• Weight: 18 g