Dahua ARD821-W2(868) Wireless Panic Button with LED Indicators, IP54 Rating, 5-Year Battery Life

The DAHUA ARD821-W2(868) Wireless Panic Button is a vital component designed for easy integration with DAHUA wireless alarm systems. Featuring bi-directional radio communication, it ensures reliable and secure signal transmission. Operating on a frequency band of 868 MHz, it offers a communication range of up to 1400 meters in open spaces, providing extensive coverage for diverse applications. Equipped with multiple LED indicators, this button enhances user experience and operational efficiency by displaying various statuses.

One notable feature of the ARD821-W2(868) is its impressive battery life, lasting up to 5 years when used twice a week. It operates with a CR2032 3V battery, which is included in the package. The device also has an IP54 protection rating, making it resistant to dust and water splashes—ideal for outdoor or challenging environments. Additionally, it employs AES128 data encryption for secure communication and uses frequency hopping to prevent jamming, ensuring uninterrupted operation.

Manufactured by DAHUA, a leading name in security technology, the ARD821-W2(868) comes with a 2-year warranty, demonstrating the company's commitment to quality and reliability. This panic button is not only a practical safety solution but also a testament to advanced engineering, making it an excellent choice for enhancing security systems.