onvis CT2 Smart Contact Sensor User Guide
Learn how to set up and use the Onvis CT2 smart contact sensor with this quickstart guide. Monitor the open/close status of doors and windows, receive notifications, and view on/off records with this Apple HomeKit compatible BLE5.0 sensor. Keep it in a clean, dry environment and set up a HomeKit hub for remote control and notification. Restore factory settings by pressing a button for 10 seconds. Get started with the CT2 now.