Retevis Rt-9908 3W/3W Anti-Interference Bank Counter Window Intercom System Dual-Way Intercommunication Microphone(Silver,1 Pack)

Two-way voice transmission; automatic two-way intercommunication without pressing button; suitable for two-way communication between hospitals and clinic service desk Recording output jack; connected to external recording equipment; automatically recognize the voice signal being processed during the call; no need to take any measures High-quality speakers; bring clear and natural sound; high-sensitivity microphone with anti-interference function High power speaker; adopts high power input and output technology; loud and clear sound; with a dedicated side tone processing chip Streamlined design; full metal shell; beautiful appearance; high-quality materials and components make the signal output perform well.The volume can be adjusted independently; the internal and external volume can be adjusted separately according to the environment.Simple installation; turn on the power and press the switch; the power indicator will remind you of the corresponding working status.