DHI-ARD821-W2(868) Wireless Panic Button
- 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
Out of stock
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Function |
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Indicator Light |
1 for multiple statuses (pairing, communication, and more) |
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Remote Update |
Cloud update |
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Button |
1 |
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Signal Strength |
Yes |
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Low Battery Detection |
Yes |
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Battery Level Display |
Displays battery level on app |
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Wireless |
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Carrier Frequency |
868.0 MHz–868.6 MHz |
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Communication Distance |
Up to 1,400 m (4,593.18 ft) in an open space |
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Communication Mechanism |
Two–way |
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Encryption Mode |
AES128 |
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Frequency Hopping |
Yes |
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General |
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Operating Temperature |
–10 °C to +55 °C (+14 °F to +131 °F) (indoor) |
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Operating Humidity |
10%–90% (RH) |
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Battery Model |
CR2032 |
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Battery Life |
3 years (if used twice a week) |
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Product Dimensions |
55 mm × 36 mm × 14.2 mm (2.17″ × 1.42″ × 0.56″) (L × W × H) |
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Packaging Dimensions |
95 mm × 59.5 mm × 30.5 mm (3.74″ × 2.34″ × 1.20″) (L × W × H) |
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Installation |
Wall mount; portable |
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Net Weight |
18 g (0.04 lb) |
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Gross Weight |
48 g (0.11 lb) |
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Certifications |
CE |
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Casing Material |
PC + ABS |
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Protection |
IP54 |
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Technical |
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Operating Current |
28 mA |
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Test Mode |
Yes |
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| Brand |
Dahua |
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Orders received by CUCCTV before 4pm on a working day will be dispatched on the same day using Parcel Force 24 and will normally be delivered on the next working day. A working day is Monday to Friday excluding Bank Holidays. Deliveries to Northern Ireland will take longer. Most of our deliveries are received on the day after dispatch, however Parcel Force 24 is NOT guaranteed next day delivery and CUCCTV shall not be responsible for any costs or inconvenience incurred arising from late delivery of goods.
We do not dispatch website orders for delivery over the weekend, so if you order during the weekend the order will be dispatched on Monday.
The vast majority of CUCCTV deliveries are received without incident, however if you should incur problems please notify us within 2 working days to allow us to help. Insurance is included in our delivery prices and you will be asked to sign for your goods upon delivery.
When signing you are confirming that the goods have been received in good condition. If you do not check the goods please write ‘unchecked’ on the paperwork. Please refuse delivery of any package which does not appear to be in good condition unless you have checked the contents and are happy to accept them. If you are not available to sign for the goods Parcel Force will leave a calling card informing you of where you can collect your parcel and a telephone number to call if you prefer to arrange rede
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