RETEKESS TW102 प्रगत विंडो इंटरकॉम वापरकर्ता मॅन्युअल
Advanced Window Intercom User Manual Product Description Auto dual-way intercommunication without pressing any button External speaker, slim fit design Anti-interference and noise-free function Dual-way audio record output Ideal for the bank, securities, hospital, bus station etc, where guard glass against…