The Ajax DoubleButton Jeweller (White) is a professional wireless hold-up and panic button designed to instantly trigger a confirmed alarm in emergency situations. Built with Jeweller encrypted wireless communication technology, the device ensures secure, reliable communication with Ajax hubs and monitoring systems. The AJAX#30624 DoubleButton requires simultaneous pressing of two buttons, combined with a protective divider, to prevent accidental activation. With IP55 protection, up to 5 years of battery life, and encrypted two-way communication, this compact device is ideal for discreet emergency signalling in retail stores, offices, banks, and other security-sensitive environments.
What’s Included in the Box
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Ajax DoubleButton Jeweller (White)
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CR2032 battery (pre-installed)
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Quick start guide

Main Features
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Wireless hold-up / panic alarm button
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Two-button activation for confirmed emergency alarms
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Protection against accidental presses
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Jeweller encrypted wireless communication
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Wireless range up to 300 m in open space
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LED indicator confirming command delivery
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IP55 protection rating against dust and water
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Battery life up to 5 years
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Compact and lightweight design
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Compatible with Ajax hubs and range extenders
Detailed Specifications
Communication Technology
Jeweller communication technology
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Proprietary Ajax wireless protocol for commands and alarms
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Two-way communication between device and control panel
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Advanced sabotage protection
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Block encryption with dynamic key
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Instant notifications via Ajax apps
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Remote configuration via Ajax software
Frequency Bands
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866.0–866.5 MHz
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868.0–868.6 MHz
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868.7–869.2 MHz
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905.0–926.5 MHz
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915.85–926.5 MHz
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921.0–922.0 MHz
(Depends on the sales region)
Radio Performance
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Maximum effective radiated power: up to 20 mW
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Radio signal modulation: GFSK
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Wireless range: up to 300 m in open space
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Frequency hopping protection against interference and jamming
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Encrypted communication with dynamic key technology
Key Features and Operation
Button Configuration
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Number of buttons: 2
Accidental Press Protection
The device prevents unintended alarm activation through:
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Simultaneous pressing of both buttons
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Protective plastic divider between buttons
Alarm Confirmation
Confirmed hold-up alarms can be configured:
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With a single DoubleButton device, or
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With multiple devices for confirmation
To trigger a confirmed alarm event, the user must perform the selected confirmation action configured within the Ajax system.
LED Command Confirmation
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LED backlight confirms successful alarm command delivery
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LED brightness adjustable through Ajax apps
Alarm Scenario
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Alarm is triggered by pressing both buttons simultaneously
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Automation control mode is not supported
Sabotage Protection
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Device authentication to prevent spoofing attacks
Power Supply
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Battery: 1 × CR2032 (pre-installed)
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Battery manufacturer: Panasonic
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Estimated battery life: up to 5 years
Electrical Characteristics
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Operating voltage range: 1.8–3.3 V⎓
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Nominal voltage: 3 V⎓
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Quiescent current consumption: 0.54 μA
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Maximum current consumption: 34.8 mA
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Full battery capacity: 235 mAh
Battery Status Levels
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Low battery voltage: 2.2 V
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Recovery voltage: 2.3 V
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End-of-life voltage: 1.8 V
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End-of-life battery capacity: 40 mAh
Physical Specifications
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Dimensions: 47 × 35 × 16 mm
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Weight: 17 g
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Operating temperature range: −10 °C to +40 °C
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Operating humidity: up to 75%
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Protection rating: IP55
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Colour: White
Warranty
The Ajax DoubleButton Jeweller (AJAX#30624) includes a 24-month manufacturer warranty, ensuring reliable operation and manufacturer support for professional security installations.
Brand – Ajax Systems
Ajax Systems is a global leader in professional wireless security technologies. Known for its encrypted wireless communication, modern industrial design, and advanced security solutions, Ajax provides reliable protection for homes, commercial properties, and high-security facilities worldwide.

SKU
AJAX#30624
Practical Use Scenarios
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Retail stores requiring discreet emergency alarm triggers
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Banks and financial institutions needing hold-up alarm systems
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Reception desks or service counters requiring emergency signalling
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Warehouses and commercial facilities needing quick panic alerts
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Personal safety devices for staff working in high-risk environments
Datasheets / Downloadable Resources
Excellence for the Australian and New Zealand Market
The AJAX#30624 DoubleButton Jeweller (White) is designed for professional security installations throughout Australia and New Zealand, supporting regional wireless frequency requirements and modern alarm system standards. Devices supplied through authorised distributors ensure genuine Ajax hardware, manufacturer-backed warranty coverage, and reliable technical support for installers and end users across the ANZ security market.
FAQs
What is the AJAX#30624 DoubleButton Jeweller used for?
The AJAX#30624 DoubleButton Jeweller is a wireless hold-up panic button designed to send emergency alarm signals to an Ajax security system.
How does AJAX#30624 prevent accidental alarms?
AJAX#30624 requires simultaneous pressing of two buttons and includes a protective divider, preventing accidental activation.
What wireless technology does AJAX#30624 use?
AJAX#30624 uses Ajax Jeweller wireless communication technology with encrypted two-way communication.
What is the wireless range of AJAX#30624?
The AJAX#30624 DoubleButton can communicate with the Ajax hub at distances of up to 300 metres in open space.
Is AJAX#30624 waterproof?
AJAX#30624 has an IP55 protection rating, providing protection against dust and water splashes.
What battery does AJAX#30624 use?
AJAX#30624 uses a CR2032 battery, which is included pre-installed.
How long does the battery last in AJAX#30624?
The AJAX#30624 DoubleButton Jeweller offers an estimated battery life of up to 5 years.
Can AJAX#30624 control automation devices?
No, AJAX#30624 is designed exclusively for alarm activation and hold-up scenarios.
What colour is AJAX#30624?
AJAX#30624 is the white version of the Ajax DoubleButton Jeweller.
Can AJAX#30624 be mounted on a wall or surface?
Yes, AJAX#30624 can be mounted using the optional Ajax Holder accessory for fixed installation.













