Panik Butonu - Tek Tuşlu
 Uzaktan yapılandırma, bulut üzerinden güncelleme mobil uygulamadan durum görüntüleme
 5 yıla kadar pil ömrü.
 Zayıf pil uyarısı vardır.
 Farklı alarm modlarını destekler (hırsızlık, yangın, gaz..)
 Frekans değiştirme, iki yönlü iletişim ve AES128 şifreleme algoritması
 Açık alanda 1400 m'ye kadar Alarm Paneli ile iletişim
 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.
     |   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   |    3 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   |