UHPPOTE Dual-Way Anti-interference Noise-Free Bank Office Store Station Window Microphone Audio Record Output Intercom Interphone Speaker System for Counter

High Quality: This system has a top-quality speaker and high-sensitive microphone. Especial the metal tube microphone is a deal for the counter and the dual-way inter-communication. Loud and Clear Voice: This system adopt the advanced microcomputer. Streamline Design: The main unit has an aluminum alloy shell, and the extension has a built-in speaker. Simple operation: You just need to connect with power adapter and outside speaker to the main station; the microphone cable is flexible. This system has two knobs to adjust the inside and outside volume. Widely Application: It suitable for the bank window, ticket offices, hospital window, post office window, securities window, embassy visa office, securities Company, hospital, station where the security glazing is installed.