Valcom V-2901A Door Answer Device - Single Jack Optical sensor technology improves precision

Optical sensor technology improves precision and even lets you work on most glass

Whether something is just out of reach or in too tight a space for you to reach

Sawing &Amp

If you have an existing wireless broadband network

Valcom V-2901A Door Answer Device - Single Jack Optical sensor technology improves precisionSingle door answering device Push a button to initiate two way communication from the door speaker to telephone, then dial a programmablecode to unlock the door Activates door locks Door unlock contact closure (strikeplate required) Alarm functions Transmit and receive volume control Background music input with volume control Built in ring generator with on off switch 3 Distinctive ring patterns Programmable options include door unlock codes, number