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| Input Voltage | 5-24VDC (12V recommended) |
| AUX output voltage | Same as input (pass-through) |
| 🔴 Red | Garage opener Security+ 1.0/2.0 communication serial bus |
| ⚪️ White | Ground / common |
| ① and ② | Extra IO can be used for additional contact sensor, motion sensor, relay trigger, etc. |
| USB port | Micro-USB connector |