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Dahua Alarm Wireless Panic Button ARD821-W2(868) (With bracket)
Product code: 17716320 // MPN: ARD821-W2(868) (With bracket)
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€23,04 (inc. VAT)
Available from 1 to 3 days
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- Provides multiple LED colors to indicate different statuses
- Cloud update and automatic recovery from update failure
- Offers accidental press prevention
- Battery life up to 5 years if used twice a week
- IP54 rated
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 in an open space
- Communication Mechanism : Two–way
- Encryption Mode : AES128
- Frequency Hopping : Yes
General
- Operating Temperature : –10 °C to +55 °C (indoor)
- Operating Humidity : 10%–90% (RH)
- Power Supply : 1 × CR2032
- Battery Life : 5 years (if used twice a week)
- Product Dimensions : 55 mm × 36 mm × 14.2 mm (L × W × H)
- Packaging Dimensions : 95 mm × 59.5 mm × 30.5 mm (L × W × H)
- Installation : Wall mount; portable
- Net Weight : 18 g
- Gross Weight : 48 g
- Certifications : CE
- Casing Material : PC + ABS
- Protection : IP54
Technical
- Operating Current : 28 mA
- Test Mode : Yes
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