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Title: Retevis RT‑9908 Window Intercom Speaker  
Category: Electronics  
Brand: Retevis  
Description: A high‑power, two‑way intercom speaker designed for windows in banks, schools, stores, and offices.  
Details: Features automatic voice transmission, independent volume control, a 2‑meter adjustable microphone neck, and a streamlined metal housing with clear sound quality.

Price is $