Sensing
HAOJAI Mains-Powered Presence Sensor (24 GHz)
Brand: HAOJAI
HJMT-0B0S1D
24 GHz mmWave radar senses both movement and stillness. Native Matter over Thread · 55 mm ceiling recessed mounting · static presence detection · left/right zoned detection.
The details, clearly.
Made for
your plans.
A human presence sensor based on the Matter over Thread protocol, using 24 GHz mmWave radar to accurately detect both moving and stationary people. Connects directly to Apple Home via the Matter standard with no dedicated gateway. AC mains powered, recessed into the ceiling through a 55 mm cut-out. A strong anti-interference antenna resists wireless interference from Wi-Fi, Bluetooth and more, and left/right zoned detection is supported.
Specifications refer to the listed model. Confirm the regional variant and installation requirements before ordering.
| Model | HJMT-0B0S1D |
|---|---|
| Product name | Mains-Powered Presence Sensor |
| Wireless protocol | Matter over Thread |
| Compatible ecosystems | Apple Home / Google Home / Amazon Alexa |
| Sensing technology | 24 GHz mmWave radar (movement + micro-movement + presence) |
| Detection zones | Supports left/right zoned detection |
| Motion detection range | Max. 5.5 m |
| Presence detection range | 0.5–4 m |
| Ambient light detection | 0–12,000 lux |
| Power supply | AC mains |
| Input voltage | AC 90–260 V, 50/60 Hz |
| Standby power | ≤0.8 W @ 220 V |
| Installation | Ceiling recessed, 55 mm cut-out |
| Recommended mounting height | ≤4 m |
| Housing material | Flame-retardant ABS |
| Operating temperature | −30 °C to +60 °C |
| Certification | Matter certified |
Before you begin.
Your home platform
Use a Matter-compatible controller for your chosen smart home platform. Available controls and automations depend on platform support.
Your Thread network
This product uses Matter over Thread. A compatible Thread border router connects it to the rest of your home network.
Your installation
For mains-powered products, use a qualified installer and confirm supply, load and mounting requirements before installation.
A home, considered as a whole.