Hear Technologies IR-1

Wireless Remote Talk Back Control! Hear Technologies has an easy way for you to extend control of your Talk Back system! The IR-1 is a wireless infrared remote control for the Talk Back 600 MV. It gives you convenient one-button control of the talk back function so you don't have to reach for your rack. Hear Technologies Talk Back IR-1 Features: Transmitter Operating Voltage: 3 volts, two AAA batteries Receiver Operating Voltage: 5 VDC, supplied by Model 600 MVS Battery Life: 1-2 years, under normal conditions Transmitter Size: 3.92" H x 2.43" W x 1.1" D Transmitter Weight: 1.4 oz.