CallTou Window Speaker Intercom System Anti-Interference Dual-Way Window Counter interphone Microphone Glass Window Microphone Best Seller PLUG IN RECEIVER & POCKET

PLUG IN RECEIVER & POCKET GUARDIAN PERSONAL BATTERY PAGER

Preset CTCSS/DCS helps reduce calls from unfamiliar users and creates a safer and more comfortable call environment

penetrating walls and doors

F-05: Adjust Volume and F-07: Restores Factory Setting

make sure it Non-stop work

CallTou Window Speaker Intercom System Anti-Interference Dual-Way Window Counter interphone Microphone Glass Window Microphone Best Seller PLUG IN RECEIVER & POCKETProduct Description Window speaker intercomThe window intercom speaker adpots auto dual way intercommunication technology, Full Duplex voice intercom technology automatically recognizes can increase your work efficiency, reduce human to human contact and protect your health Clear loud voiceThis dual way window intercom using advanced language processing chip to makeThe 42db microphone sensitivity could reduce the conditional static noise effectively