Verified compatibility
We test every device for these ecosystems. For non-standard integrations contact us before ordering.
- Home Assistant
- Zigbee
- Matter
- KNX
- Wi-Fi
Compatibility
Works with these ecosystems
Ecosystems
- Ajax
What it is, who it's for, what it does
About this product
The Ajax DoorProtect Jeweller (black) is a wireless door or window opening detector with a reed switch and an extra NC input.<br><br>Reed switch 2,000,000 operations, anti-chatter, two magnets; Chime mode; NC input for a third-party detector. Jeweller up to 1,200 m — an Ajax hub is required.<br><br>Power 1× CR123A up to 7 years. Casing Ø20×90 mm, 29 g, IP50, indoor only. 24-month warranty from CasaSmart, delivery across Moldova.
- DeliveryDelivery 50 MDL
- Returns14 days to return
- Warranty24 months
15+projects delivered300+devices installed3 yearslocal-first experienceChișinăushowroom Columna 153Book a showroom visit →
CasaSmart essentials
What it works with, what it needs, what you can do
Install & requirements
What you need on your side and what we deliver.
- Zigbee hub or Matter gateway for wireless variants
- 65 mm back-box or DIN panel for wired variants
- Local setup on Home Assistant — included in install
Smart scenarios
Three typical automations we set up after the install.
- 01Morning: warm light + blinds up + climate at 22 °C
- 02Leaving: lights off, arm sensors, close the gas
- 03Evening: warm ambient + cinema scene
Where it works
Use cases
Instant alarm when a door or window is opened.
The NC input integrates one wired sensor into Ajax.
Sirens signal when a door opens while disarmed.
For the installerTechnical specificationsfull spec · wiring · datasheet
For the installer
Technical specifications
full spec · wiring · datasheet
Other
- Type
- Wireless opening sensor (reed)
- Sensing element
- reed switch, 2,000,000 actuations lifespan
- Debounce protection
- yes
- Magnets included
- 2 (small and large)
- Additional input
- NC — for a third-party wired sensor
- Chime
- siren signal on door opening
- Dimensions
- Ø20×90 mm
- Weight
- 29 g
- Operating temperature
- −10…+40 °C
- Operating humidity
- up to 75 (non-condensing) % RH
- Protection class
- IP50
- Mounting
- SmartBracket panel
- Tamper protection
- tamper switch
- Compliance
- EN 50131 Grade 2, PD 6662, UL
- Color
- Black
Connectivity
- Protocol
- Jeweller (868 MHz)
- Communication range
- up to 1200 (line of sight) m
Power
- Power
- 1× CR123A (pre-installed)
- Battery life
- up to 7 years
Support
Frequently asked questions
Does it need an Ajax hub?
Yes. DoorProtect runs on Jeweller and needs an Ajax hub. It is compatible with all Ajax hubs and range extenders.What does it detect?
Door or window opening using a magnetic reed switch. Two magnets are included for different gaps between leaf and frame.Can I connect a wired detector?
Yes. DoorProtect has an NC input for one third-party wired detector (e.g. a reed or glass-break sensor), integrated through DoorProtect.Does it work with Home Assistant, Alexa or Google?
No. Ajax is a closed ecosystem; the detector is managed from the Ajax app, not via Home Assistant, Alexa or Google.How is it powered?
From a 1× CR123A battery (pre-installed) lasting up to 7 years. The system warns when the battery is low.What warranty and delivery do you offer?
24-month official warranty from Evrinet SRL (official Ajax importer). Delivery across Moldova, showroom in Chișinău at str. Columna 153.
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Manager guidance
Questions about this product?
A CasaSmart manager calls you within 1–2 working hours and answers anything — compatibility, install, alternatives.
+373 60 944 922Updated: · reviewed by CasaSmart Expert Team