DHI-ARD821-W2 Wireless Panic Button

Function

Indicator Light

1 for multiple occasions (matching, communication and more)

Remote Update

Cloud update

button

one

Signal Strength

Yes

Low Battery Detection

Yes

Battery Level Screen

Displays battery level in app

Wireless

Carrier Frequency

433.1 MHz – 434.6MHz

Communication distance

Up to 1,300 m (4,265.09 ft) outdoors

Communication Mechanism

Two-way

Encryption Mode

AES128

Frequency Hopping

Yes

General

&Operating Temperature

–10 ° C to +55° C (+14°F to +131°F) (indoor)

Working Humidity

10% - 90% (RH)

Battery Model

CR2032

Battery life

5 years (if used twice a week)

Product Dimensions

55mm × 36mm × 14.2 mm (2.17 "× 1.42" × 0.56") (L × W × H)

Packaging Dimensions

95mm × 59.5mm × 30.5 mm (3.74 "× 2.34" × 1.20") (L × W × H)

Setup

Wall mounting; portable

Net weight

18g (0.04lb)

Gross Weight

48g (0.11lb)

Certificates

CE

Body Material

PC + ABS

Protection

IP54

Technical

Working current

28mA

Test Mode

Yes