Description
DHI-ARD821-W2(868) Wireless Panic Button
Wireless panic button. Bidirectional RF communication. Offers multiple LED colors to indicate different statuses. Cloud update and automatic recovery after failed updates. Prevents accidental presses. Battery life up to 5 years when used twice a week. IP54 rated.
Specifications:
- Function
- Indicator Light - 1 for multiple statuses (pairing, communication, and more)
- Remote Update - Cloud update
- Button - 1
- Signal Strength - Yes
- Low Battery Detection - Yes
- Battery Level Display Displays - battery level on app
Wireless
- Carrier Frequency - 868.0 MHz–868.6 MHz
- Communication Distance - Up to 1,400 m (4,593.18 ft) in an open space
- Communication Mechanism - Two–way
- Encryption Mode - AES128
- Frequency Hopping - Yes
General
- Operating Temperature - –10 °C to +55 °C (+14 °F to +131 °F) (indoor)
- Operating Humidity - 10%–90% (RH)
- Battery Model - CR2032
- Battery Life - 5 years (if used twice a week)
- Product Dimensions - 55 mm × 36 mm × 14.2 mm (2.17" × 1.42" × 0.56")(L × W × H)
- Packaging Dimensions - 95 mm × 59.5 mm × 30.5 mm (3.74" × 2.34" × 1.20") (L × W × H)
- Installation - Wall mount; portable
- Net Weight - 18 g (0.04 lb)
- Gross Weight - 48 g (0.11 lb)
- Certifications - CE
- Casing Material - PC + ABS
- Protection - IP54
Technical
- Operating Current - 28 mA
- Test Mode - Yes
