| QTY | 2PCS |
|---|---|
| Brand | Unbranded |
| Current Type | DC |
| Output Type | Digital |
| Sensor Type | Electromechanical |
| Termination Type | Connector |
| Shield | Shielded |
| Custom Bundle | No |
| Modified Item | No |
Check the listing for details. 2-10PCS IR Pyroelectric Infrared IR PIR Motion Sensor Detector Module HC-SR501. Condition: New. Listed at 8.84 USD. A pyroelectric infrared sensor is a sensor that can detect infrared rays emitted by humans or animals and output electrical signals. Application of pyroelectric transistors. In addition to being used in the well-known corridor automatic switches and anti-theft alarms, the application prospects in more fields are promising.