Features:
Indoor full audio ceiling speaker with flame retardant iron back cover, fireproof design. Spring presser foot system, convenient for users to install. Applicable to: fire, shops, supermarkets, hotels, etc.
Features:
Indoor full audio ceiling speaker with flame retardant iron back cover, fireproof design. Spring presser foot system, convenient for users to install. Applicable to: fire, shops, supermarkets, hotels, etc.