C.R. LAURENCE 9DSA CRL Satin Anodized 12V DC Thru-Glass Two-Way Digital Electronic Communicator Review

C.R. LAURENCE 9DSA CRL Satin Anodized 12V DC Thru-Glass Two-Way Digital Electronic Communicator Reviewhttp://tinyurl.com/m2odbsz C.R. LAURENCE 9DSA CRL Satin Anodized 12V DC Thru-Glass Two-Way Digital Electronic Communicator Clear, Reliable, Hands-Free Two-Way ConversationStandard Unit Fits Barriers From 1/4" to 1" (6 to 25 mm) ThickBullet Resistant Models Available in Level 1 and Level 3Extension Kit for Barriers Up to 2-1/2" (64 mm) Thick (included with bullet resistant models)