Sell ☼[In stock] Intercom system intercom zero contact commercial store ticket station bank counter best price

welcome to my shop. Our products are 100% authentic and original. If you have any questions, please contact us. feature: Anti-interference and noise-free function Two-way voice intercom communication technology, which automatically recognizes the voice signal being processed during the call without any operation Dedicated anti-side tone processing chip with automatic mute function Fully automatic call control is used. The microphone and loudspeaker outside the machine are connected to the host's first-line system by an integrated design, which is easy to install Possess comprehensive electroacoustic technology application experience, select high-performance electroacoustic circuit design, output power up to 3W, clear sound, loud and noble. In the internal and external two-way voice signal output (recorded by the bank teller), the stereo jack output mode can prevent the voice recording function controlled by the power switch and function buttons Application: places where anti-theft glass is installed in banks, securities, hospitals, and bus stations specification: Brand: Retevis Model: RT-9908 Color: silver Working voltage: AC12V / 1A Main sound (secondary sound): 3W Internal microphone: -48db 20Hz-20KHz External microphone: -48db 20Hz-16KHz Packing size: about 18.5 * 18 * 10.5cm / 7.28 * 7.08 * 4.13 inches Package weight: about 680 grams/23.98 ounces packing list: 1 *Dual way walkie talkie 1 * External speaker 1 *charger 1 *User Manual