KAIHEISENSOR 03
View all ATSUMI Electric Co., Ltd. productsConnectivity: Z-WaveCategory: Sensor
Z-WaveCertified
App supportiOSRecently updated· Jun 2026
This device is for KDDI IOT services only. This product is “KAIHEISENSOR 03” that detects door and window open/close, temperature, humidity, and illumination. It detects the state change of the place where the product is installed and notifies the controller. It's possible to install it in the various places because a thin magnet is adopted.
Will it keep working?
✅ Future-proofBuilt to keep working — even if the maker walks away.
It works locally over Z-Wave, so it keeps running even if ATSUMI Electric Co., Ltd. shuts down the app or the servers. Nothing here ties you to a single company's survival.
- Works locally over Z-Wave — keeps running without the maker's cloud
- Still in production
- Companion app is actively updated
Based on how this device connects (local vs. cloud), whether it’s still sold and supported, and its app / subscription. A guide, not a guarantee.
Connectivity
Z-Wave
Prices
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