Opening Detector · Wireless

DoorProtect — First Line of Defence

Wireless magnetic contact detector for doors and windows. Triggers an alarm the instant any protected opening moves. Ultra-reliable reed switch sensor, 7-year battery life, and tamper-proof housing make it the backbone of any perimeter security system.

7 yr BatteryIP55TamperJewellerAES-128Chime Mode
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Ajax DoorProtect Jeweller
Key Features

Why choose Ajax DoorProtect Jeweller?

Professional-grade hardware engineered for reliable performance in Canadian climate conditions.

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Instant Opening Detection
Reed switch triggers within milliseconds of any door or window opening. Alarm is transmitted to the hub and monitoring centre before an intruder can react.
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7-Year Battery
Pre-installed battery lasts up to 7 years with daily operation. Low battery notification appears in the app months before replacement is needed.
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IP55 Weatherproof
Suitable for outdoor installation — front doors, garage doors, and exterior windows exposed to rain and condensation.
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Tamper Detection
Attempts to remove, shift, or dismantle the device trigger an immediate tamper alarm to the monitoring centre.
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Chime Mode
When disarmed, the siren can sound a brief chime each time a protected door opens — transforming DoorProtect into a shopkeeper's bell.
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Two Magnet Sizes
Includes both standard and mini magnets for flexible installation on thin or thick door/window frames.
Technical Specifications

Full Specs

Complete technical data for system design and installation planning.

ParameterValue
TechnologyReed switch + magnet
IP ratingIP55
Radio protocolJeweller · AES-128
Radio rangeUp to 2,000 m (open space)
BatteryCR2032 · up to 7 years
Tamper protectionYes (removal + tilt detection)
Chime modeYes (when disarmed)
Dimensions77 × 22 × 12 mm
Operating temp.−10°C to +40°C
Warranty3 years (Authorized Ajax Partner)
Applications

Where It's Used

Trusted by homeowners, businesses, and institutions across Ottawa and Eastern Ontario.

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Residential Doors & Windows
Every exterior door and window becomes an active alarm perimeter. Cost-effective protection for every opening.
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Retail & Cash Offices
After-hours protection for stockroom doors, display cases, and cash office entrances.
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Server Rooms
Alert immediately if an unauthorized person opens a server room or equipment cabinet door.
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Industrial Gates
IP55 rating handles the moisture and temperature swings of loading dock doors and warehouse gates.

Ready to install Ajax DoorProtect Jeweller?

Our certified Ajax installers will design, supply, and commission your system — usually within 48 hours of your site visit.

1-613-795-1381 Mon–Sat 8am–8pm ET · Ottawa & Eastern Ontario info@ajaxsystem.ca