DESHUN DS-989 Window Intercom System Full Duplex Speaker for Office Bank Store

DESHUN DS-989 WINDOW INTERCOM, FULL DUPLEX WINDOW SPEAKER SYSTEM,LOUD SPEAKER, INTERCOM SYSTEM FOR BUSINESS,MEDICAL TREATMENT,SCHOOL, HOME,HOSPITAL, STORE. KEY FEATURES * Full duplex audio enables simultaneous two-way communication * Ideal for glass counter or partition communication in secure spaces * Easy plug-and-play setup with included power adapter * High-sensitivity microphones capture clear voice on both sides * Suitable for hospitals, pharmacies, stores, banks, and service desks ---------------------------------------- SPECIFICATIONS * Communication Type: Full Duplex * Input Power: AC 110–240V (with DC adapter output) * Speaker Output: ≥3W (each side) * Body Material: Aluminum alloy main unit, ABS sub-unit * Cable Length: Approx. 2 meters between master and extension ---------------------------------------- WHAT YOU GET * 1x DESHUN DS-989 main intercom unit * 1x Extension speaker with built-in mic * 1x Power adapter and connection cables