








🔔 Secure Your Space, Elevate Your Life!
The Onvis Thread-Enabled HomeKit Door Window Contact Sensor is a wireless, low-energy device designed for smart home automation. It provides instant alerts for door and window status changes, integrates seamlessly with Apple HomeKit, and boasts a year-long battery life. With a focus on privacy and user control, this sensor is perfect for enhancing home security without compromising personal data.








| Number of batteries | 1 CR2 batteries required. (included) |
| Voltage | 3 Volts |
| Control method | App |
| Noise level | 75 Decibels |
| Mounting type | Door Mount, Window Mount |
| Sensor technology | Contact Sensor |
| Size | 2 |
| Manufacturer | Onvis |
| Part number | CT3--2 |
| Item Weight | 68 g |
| Product Dimensions | 3 x 4.6 x 1.5 cm; 68 g |
| Batteries | 1 CR2 batteries required. (included) |
| Item model number | CT3-N |
| Color | white |
| Included components | 2*Onvis Smart Door & Window Sensor1* adhesive backing 1*user manual 1*Reset pin |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Lithium |
| tech_spec_battery_description_toys | Alkaline |
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