The HID Signo 40 Reader is a wall-mounted access control solution that simplifies migration with minimal disruption. It features a new surface detection feature that recalibrates and optimizes read range performance automatically. This reader is equipped with HID Mobile Access� via native Bluetooth or Near Field Communication and is compatible with multiple frequency technologies. It also comes with an intelligent energy-saving mode that reduces energy consumption when the reader is at rest. Key Features:Easy installation onto a wall switch boxFlush mounting enabled with new terminal block wiringFully compatible with HID Reader ManagerPigtail ConnectionIntelligent Energy Saving Mode to reduce energy consumption when reader is at rest.