Dahua 868 MHz two-way wireless panic button with IP54 protection in black

Technical Specifications

• Dahua Wireless Panic Button
• 1 button
• LED indicator for different statuses, including pairing and communication
• Signal strength indicator
• Low battery detection
• Battery level display via app

Functionalities

• Accidental press prevention
• Remote updates via the cloud
• Automatic recovery from failures during updates
• Allows you to activate alarms for intrusion, fire, gas leaks, and medical assistance requests
• Test mode available

Communication interface

• Two-way RF communication
• Carrier frequency from 868.0 MHz to 868.6 MHz
• Communication range of up to 1,200 m in open space
• AES128 encryption
• Frequency hopping

Power supply

• CR2032 battery
• Battery life of up to 3 years with twice-weekly use
• Operating current of 28 mA

Environmental

• Operating temperature: -10 °C to +55 °C (indoor use)
• Operating humidity: 10% to 90% RH
• IP54 protection

Physical characteristics

• Color: black
• PC + ABS housing
• Wall-mounted or portable use
• Dimensions: 55 × 36 × 14.2 mm
• Net weight: 18 g
• Gross weight: 48 g

Contents

• Dahua DAHUA-5583 Radio-Controlled Panic Button (DHI-ARD821-W2(868)-B)

Certifications and Standards

• CE
• EN 50131-1:2006+A1:2009+A2:2017+A3:2020
• EN 50131-3:2009
• EN 50131-6:2017
• EN 50131-5-3:2017
• Safety Level 2
• Environmental Class II