No products in the cart.
Only this weekend
Super Discount
Items on sale this week
Top picks this week. Up to 50% off the best selling products.
The Dahua ARD821-W2 is a compact wireless panic button designed for Dahua alarm systems, allowing users to send an instant emergency alert when pressed. It is ideal for homes, offices, shops, and reception areas where quick alarm activation is important.
The device uses two-way RF communication to ensure reliable signal transmission and confirmation from the alarm hub. It features LED indicators for status and battery alerts, plus protection against accidental presses to reduce false alarms. Its small, portable design allows it to be carried or wall-mounted for easy access.
With secure encrypted wireless communication, long transmission range, and long battery life, the ARD821-W2 provides a simple and dependable way to trigger emergency alarms within a Dahua wireless security system.
The Dahua ARD821-W2 is a compact wireless panic button designed to provide instant emergency alerts within Dahua wireless alarm systems. Built for homes, offices, shops, and high-risk environments, this device allows users to trigger an alarm immediately during emergencies such as intrusions, medical situations, or security threats.
This panic button uses two-way RF communication, ensuring reliable signal transmission between the device and the alarm hub. Once pressed, it instantly sends an alarm signal and also receives confirmation feedback from the hub, giving users assurance that the alert has been delivered successfully.
The ARD821-W2 features multi-colour LED indicators that display pairing status, signal transmission, and battery condition, making it easy to monitor device operation at a glance. It also includes accidental-press protection, helping to reduce false alarms while still allowing quick activation during emergencies.
Designed for long-term use, the device runs on a CR2032 battery with a lifespan of up to several years depending on usage. It supports cloud firmware updates with automatic recovery in case of update failure, ensuring the device stays secure and up to date.
With an IP54 protection rating, the panic button is resistant to dust and water splashes, making it suitable for indoor use and sheltered outdoor areas. Its compact size allows it to be carried as a portable button, worn on a strap, or mounted on a wall for quick access.
The ARD821-W2 communicates over secure encrypted wireless signals with a long transmission range (up to about 1.2 km in open space), ensuring stable performance across homes, offices, and commercial premises.
Wireless panic/emergency button
Two-way RF communication with alarm hub
Instant emergency alarm trigger
Multi-colour LED status indicator
Anti-accidental press design
AES128 encrypted wireless transmission
Long wireless range (up to ~1200 m open space)
Battery level monitoring via app
Cloud updates with auto-recovery
IP54 dust and splash protection
Homes and apartments
Shops and offices
Reception desks & cashier points
Elderly or medical emergency alert
Warehouses and commercial premises
You must be logged in to post a review.
Reviews
There are no reviews yet.