Nitiraj Engineers Limited has launched an Audio Door Phone with Electronic Lock under Security and Access Control segment. The Product is a wired analog system consisting of outdoor bell unit, indoor phone unit, in-built power SMPS and compatible electronic lock wholly designed and developed by in-house R&D team to provide simple and reliable operations for end users. The product has attractive design and is convenient to use - whenever a visitor presses the outdoor bell it would trigger a call on the indoor phone unit allowing the person inside to communicate with the visitor and unlock the door remotely. Features of the Product: Achieve 2-way, full duplex clear audio communication; Unlock door with just the push of a button on the indoor phone unit; upto 3 indoor phone units can be connected with one outdoor bell; Also connect electric bell and exit buttons with this system; Compatible and secure electronic locks are also provided.