![Adafruit IR Break Beam Sensor - 3mm LEDs [ADA2167]](https://m.media-amazon.com/images/I/41yytLApGKL.jpg)



🚀 Break the beam, not your vibe — ultra-fast IR sensing for the savvy pro.
The Adafruit IR Break Beam Sensor (3mm LEDs) offers rapid motion detection with a response time under 2 milliseconds and a precise sensing range of up to 25cm. Powered by 3.3 to 5.5 volts, it features an open collector transistor output capable of sinking 100mA, making it ideal for smart home security, lighting control, and automation projects. Its compact size and lightweight design ensure seamless integration into professional and home environments.
| Brand | Adafruit |
| Color | Black |
| Power Source | Corded Electric |
| Item Weight | 0.01 Ounces |
| Maximum Range | 25 Centimeters |
| Mounting Type | Wall Mount |
| Battery Description | battery not included |
| Compatible Devices | Security Systems, Smart Home Hubs, Lighting Controls |
| Recommended Uses For Product | Walkway, Terrace, Garden, Sidewalk, Lawn, Driveway, Garage |
| Manufacturer | Adafruit |
| UPC | 600346598904 |
| Item model number | 2167 |
| Item Weight | 0.01 ounces |
| Package Dimensions | 2.91 x 2.4 x 0.39 inches |
| Battery Type | battery not included |
| ASIN | B01BU6YBWU |
| Is Discontinued By Manufacturer | No |
| Date First Available | February 16, 2016 |
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