

🚪🔒 Unlock peace of mind with every door click!
The Nuki Door Sensor is a compact, Bluetooth-enabled contact sensor designed exclusively for Nuki Smart Lock 3.0 and 3.0 Pro. Powered by a 3.6V alkaline battery, it provides real-time door open/close status and sends instant notifications via the free Nuki app. Lightweight and easy to install, it enhances your smart home security by ensuring you’re always informed about your door’s status—no physical keys needed.
| Battery description | Alkaline |
| Number of batteries | 1 Nonstandard Battery batteries required. |
| Voltage | 3.6 Volts |
| Control method | App |
| Noise level | 50 Decibels |
| Mounting type | Door Mount |
| Sensor technology | Contact Sensor |
| Global Trade Identification Number | 09120072081873 |
| Manufacturer | Nuki Home Solutions GmbH |
| Part number | 220648 |
| Item Weight | 60 g |
| Product Dimensions | 4 x 2.1 x 1.6 cm; 60 g |
| Batteries | 1 Nonstandard Battery batteries required. |
| Item model number | 220648 |
| Color | White |
| Style | Single |
| Material | Silicone |
| Item Package Quantity | 1 |
| Number Of Pieces | 1 |
| Special Features | Easy to install, Unlock your smartphone |
| Included components | Nuki Door Sensor, Magnet, Booklet |
| Batteries Included? | No |
| Batteries Required? | No |
| Battery Cell Type | Lithium-Thionyl Chloride (Li-SOCL2) |
| tech_spec_battery_description_toys | Alkaline |
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