At a glance
- Detection
- Sensitive element: electret microphone
- Power supply
- Battery: 1 × CR123A, Pre-installed
In the box
- GlassProtect Jeweller
- SmartBracket mounting panel
- CR123A battery (pre-installed)
- Cable for connecting third-party devices
- Installation kit
- Quick start guide
Model GP.Y.JAjax GlassProtect Jeweller wireless glass break detector, up to 9 m
₹7,984 Incl. GST
₹6,766 + 18% GST
At a glance
- Detection
- Sensitive element: electret microphone
- Power supply
- Battery: 1 × CR123A, Pre-installed
Raises your Ajax alarm when a window or glass door is broken, listening for the sound of breaking glass with a built-in microphone. Covers up to 9 m across 180°, three sensitivity levels, up to 7 years on one CR123A; works with an Ajax hub.
- WarrantyManufacturer warranty under Ajax's terms: 2 years. Warranty claims
- DeliveryPrice, availability and delivery charges are confirmed in your quotation. Shipping and delivery
Overview
The Ajax GlassProtect Jeweller raises your Ajax alarm when a window or glass door is broken. Its microphone listens for the sound of breaking glass up to 9 m away across 180 degrees, and a two-stage check on low and high frequencies filters out other noises. It suits shopfronts, ground-floor windows and glass doors in a home, office or shop.
Is it right for you?
- Choose it for rooms with large windows or glass doors where an intruder might break the glass rather than open it.
- One detector can cover several windows within 9 m, so it suits a shopfront or a living room with a glass wall.
- It will not detect breaking glass covered with shockproof, sun, decorative or any other film.
- For a room that also needs motion detection, CombiProtect combines both in one unit.
Key features
- Electret microphone detects breaking glass from 0.3 to 9 m, across 180 degrees horizontally.
- DualTone false alarm prevention: the sound is checked on both low and high frequencies before an alarm is raised.
- Three sensitivity levels, set in the Ajax app.
- Input for a wired detector from another brand with normally closed (NC) contacts.
- Jeweller radio to the hub or range extender up to 1,000 m in open space, encrypted with frequency hopping.
- Tamper alarm when it is taken off the wall or its mounting panel; communication loss reported after 36 s.
- One CR123A battery, pre-installed, rated for up to 7 years.
- 90 x 20 x 20 mm, 30 g, in black or white.
What else you need
An Ajax hub. Compatible hubs and range extenders include Hub (2G), Hub (4G), Hub Plus, Hub 2 (2G), Hub 2 (4G), Hub 2 Plus, Hub BP, ReX, ReX 2, Superior Hub G3, Superior Hub Hybrid, Superior Hub Hybrid 2, Superior MegaHub, Superior ReX G3, EN54 Fire Hub and EN54 Fire ReX.
The Ajax app, where sensitivity is set by an installer (PRO) or a user with admin rights.
Installation
An Ajax installer can position it with a clear line to the glass within 9 m and fix it with the SmartBracket mounting panel.
If a wired detector is connected to its input, keep the cable to 1 m or less; longer cable risks damage and poorer communication between the detectors.
Before you buy
Glass covered with any film will not be detected.
Indoor use only, from -10 to 40 °C and up to 75% humidity, IP50.
Features
Size and fit
Technical specifications
Key facts
- What is it?
- Door & Window SensorsBrand Ajax, model GP.Y.J
- How is it powered?
- Battery: 1 × CR123A, Pre-installed
- Can it be used outdoors?
- IP50
- What comes in the box?
- GlassProtect Jeweller; SmartBracket mounting panel; CR123A battery (pre-installed); Cable for connecting third-party devices and 2 more
- Which documents are available?
- Datasheet, online manual, software (2), regional compliance reference (2), online specifications (3) Open documents
- Can SecurityGearHub help with installation?
- Setup guidanceManuals, wiring guides and answers to setup questions. On-site work is arranged separately where available. Ask about installation
RelatedSolutionIntrusion alarm systemsGuideWireless alarm system guideDocumentsAll Ajax documents
- Manufacturer model
- GP.Y.J
- Detection
- Sensitive element: electret microphone; Glass break detection distance: from 0.3 to 9 m; Glass break detection angle: horizontal: 180°; Sensitivity: 3 levels, False alarm prevention (Adjusted by a PRO or a user with admin rights in the Ajax app); DualTone: (Two-factor software algorithm for glass break verification by low and high sound frequencies); Input for additional detector connection: (Wired detector with a normally closed (NC) contact type)
- Power supply
- Battery: 1 × CR123A, Pre-installed; Calculated battery life: up to 7 years, Detector’s operating voltage range, 2.1-3.3 V DC, Detector’s nominal operating voltage, 3 V DC, Quiescent detector’s current consumption at nominal voltage, 18 μA, Maximum detector’s current consumption at nominal voltage, 21 mA, Manufacturer, Huiderui or Duracell
- Enclosure
- Dimensions: 90 × 20 × 20 mm; Weight: 30 g; Operating temperature range: from -10 °C to +40 °C; Operating humidity: up to 75%; Protection class: IP50
- Warranty
- Manufacturer warranty under Ajax's terms: 2 years. How claims work
Product attributes and shipping details
| Brand | Ajax |
|---|---|
| Colour | Black, White |
| IP Rating | IP50 |
| Alarm Technology | Jeweller |
Downloads
Download software
- Ajax Security System (iOS)Version 3.59 · iOS 18.0+ · Released October 28, 2026Prerequisites: Compatible Ajax hub; Ajax account; Device is added to a compatible Ajax hub and configured in Ajax apps (hub required)Licence: Free; account requiredSoftware · Family · apps.apple.comView official download page
- Ajax Security System (Android)Android · Released November 9, 2026Prerequisites: Compatible Ajax hub; Ajax account; Device is added to a compatible Ajax hub and configured in Ajax apps (hub required)Licence: Free; account requiredSoftware · Family · play.google.comView official download page
Documentation
- GlassProtect JewellerDatasheet · Family · 1.9 MBDownload
- Ajax GlassProtect Jeweller product pageOnline specifications · Family · ajax.systemsView official page
- Ajax GlassProtect Jeweller technical specifications pageOnline specifications · Family · ajax.systemsView official page
- Ajax device compatibility with hubs and control elementsOnline specifications · General · ajax.systemsView official page
User manual
- Ajax GlassProtect Jeweller: Online manualOnline manual · Family · ajax.systemsView official page
Series documents can differ from your exact model. Report a wrong or missing file
Questions about this product
How far away can the glass be?
From 0.3 to 9 m, within a 180 degree arc in front of the detector.
Will ordinary noise set it off?
The DualTone algorithm checks for both the low and high frequencies of breaking glass before raising an alarm, and sensitivity has three levels.
Does it work on filmed or laminated glass?
It will not detect breaking glass that is covered with shockproof, sun, decorative or any other film.
How long does the battery last?
Up to 7 years on one CR123A battery, which comes pre-installed.
Can I connect a wired sensor to it?
Yes, a wired detector with normally closed contacts, with a cable of 1 m or less.
Can it be used outdoors?
No, it is for indoor use only.
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