UHPPOTE Dual Way Intercom System for Bank, Office, Store, Bus Station & Hospital - Security Window Counter Interphone with External Speaker & Guard Glass (Ideal for Secure Communication in High-Traffic Areas)

Description: Streamline design: The main unit has aluminum alloy shell, and the extension has built-in speaker.This system has simple connection for DIY operation. High quality: This system has top-quality speaker and high-sensitive microphone. Especial the metal tube microphone is deal for the counter and the dual-way inter-communication. Good performance: The voice from this system is clear,and natural. There is a switch only for the volume control. Advance technique: For this system,we adopter the advanced microcomputer from U.S.A. Definite instruction: The indicating lamp shows the track's working status. Simple operation I: Easy for dual-way intercommunication without pressing button. Simple operation II: This system haw two knobs to adjust the inside and outside volume. When the indicating lamp for audio turns green,the intercommunication could begin. Simple operation III: You could record the voice through record jack. Best Choice: It suitable for the Bank, Securities Company , Hospital, Station where the security glazing is installed. Feature: Dual-way intercommunication Slim fit design of speaker Anti-interruption and noise Dual-way audio recordPerformance Data: Working voltage: DC9V/0.5A Input voltage: AC 110-240VMain sound (sub sound): 2W, 100Hz-15KHz Inside microphone: -48db 20Hz-20KHz Outside microphone: -48db 20Hz-16KHzCable Length: 1.6m/5.25ftMain box size: 158x87x46(335)mm / 6.2"x3.4"x1.8"(13.2") Sub-box size: 91x77x23mm / 3.6"x3"x0.9"Package: 1 x Dual-way counter interphone 1 x External speaker 1 x Charger 1 x English User Manual