
Onvis
Onvis Alarm Sensor CS2
Sensors · Security
HomeKit onlyContactTemperatureHumidityThreadDoor & windowBluetoothOn Apple's list
Where to buy
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Store links open the product’s own page, matched to this accessory by name and model number. Prices and stock aren’t checked and vary by region; check that the model you buy says it works with Apple Home or Matter.
From store listings
| Power Source | Battery |
|---|---|
| Connectivity | Wireless |
From the Bing Shopping page for “Onvis CS1 Security Alarm Contact Sensor. Works With Apple Homekit”.
In ReReHome
Readings from eleven sensor types, any of which can trigger an automation.
And every other characteristic or Matter attribute it exposes.
Reports to Apple Home
Connectivity
- Thread
- Bluetooth LE
How it reaches your home
- HomeKit over Thread
- HomeKit over Bluetooth LE
Identifiers
| Manufacturer | Onvis |
|---|---|
| Model / SKU | CS2 |
| Model / SKU | ONS-CS2 |
| Thread certification | record-86a6246c57e494 |
Reported versions
| Version | Date | Source |
|---|---|---|
| Thread 1.3 | 2023-09-29 | threadgroup.org |
| Bluetooth 5.0 | 2026-10-14 | onvishome.com |
Compatibility notes
- Manufacturer spec: model CS2, 'Thread + Bluetooth Low Energy 5.0'. A 4-in-1 door/window contact sensor with 120 dB alarm siren, thermometer and hygrometer; 2×AAA batteries.
- Thread Group: 'Onvis Security Sensor' CS2, Thread 1.3.0, last certified 2023-09-29, ecosystems listed as 'HomeKit, Matter'. No CS2 Matter record exists in the local DCL index, so Matter is not claimed.
- The community catalog (homedevices.app) reports sample firmware 1.6.6, undated.





