The LEM-1DL Series is an audio only communication and entry security system. The system can start as a one door, one master kit using the LEM-1DLS box set, and can be expanded to up to 4 inside master stations. Each master allows for communication with the outside door and door release control.
Door release (N/O contact)
Calling and 2-way communication
Call tone & voice volume control
AC 12~16V or DC 12~24V powered
Any LE or LS series door station is compatible