Ubiquiti UniFi Access Hub Describation: The Access Hub is a single-door mechanism that provides complete entry and exit control via connected Access Readers. SKU:UA-HUB Tech Specs: Click Here Installation Guide: Click Here Features: •(2) Lock terminals (12V and Dry) •(2) AUX terminals for an external siren and automatic door opener •(4) Additional inputs (sensors and buttons) •Connect and power using PoE++ •Connect to two UniFi Access readers and one UniFi Protect camera