# SwitchBot Contact Sensor
| Model Id | W120150X (opens new window) |
|---|---|
| Brand | SwitchBot |
| Model | Contact Sensor |
| Short Description | Contact sensor |
| Communication | BLE broadcast |
| Frequency | 2.4Ghz |
| Power Source | 2 AAA |
| Exchanged Data | contact, motion, light level, scope tested, in count, out count, push count, battery |
| Encrypted | No |