Motorola 1- Wire IMPRES™ Surveillance Kit
Model Number:  PMLN8082A
Discreetly send and receive messages with this single-wire surveillance kit with an inline microphone and Push-to-Talk (PTT). The clear tube earpiece is replaceable with quick disconnect and supports loud audio feature enabled by the device. The speaker is wideband ready to provide better audio quality. Ideal for private security, rental, retail and hospitality applications.