Chamberlain NLS1 Wireless Audio Intercoms Monitor, 4-Channel, Power Adapters

The Chamberlain NLS1 is a secure 900MHz wireless portable audio intercom. It features up to a 1,000-foot range, voice activation, monitor mode (VOX), and channel broadcasting. It is commonly used for home security and room-to-room communication.Key SpecificationsCommunication: Secure 900MHz digital radio link (supports up to 64 expandable units).Range: Up to 1,000 feet in an open field.Power: Requires 4 AA batteries or can be plugged in using an optional 12V AC power adapter.Compatibility: Works with Chamberlain models NDIS, NTD2, and NLS2.Operating ModesNormal Mode: Direct two-way communication between specific intercoms.Conference Mode: Allows multiple intercom stations to participate in the same conversation.Monitor Mode: Advanced voice-operated switch (VOX) enables listening to a remote room (e.g., nursery) without pressing the talk button.Broadcast: Broadcasts a page/message to all available channels simultaneously.