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C.R. LAURENCE 9DSA CRL Satin Anodized 12V DC Thru-Glass Two-Way Digital Electronic Communicator
Clear, Reliable, Hands-Free Two-Way Conversation
Standard Unit Fits Barriers From 1/4" to 1" (6 to 25 mm) Thick
Bullet Resistant Models Available in Level 1 and Level 3
Extension Kit for Barriers Up to 2-1/2" (64 mm) Thick (included with bullet resistant models)