LEM-1DLS Access Sentry Kit Audio door answering system for business or home use. Identifying a visitor before allowing them access improves security and adds convenience. KIT INCLUDES - (1) LEM-1DL master station (1) LE-D door station POWER SUPPLY DOOR RELEASE AVAILABLE SEPARATELY Master station dimensions - 5-5/8" x 7-1/16" x 2-3/16" Door station dimensions - 3-1/2" x 4-3/4" x 1-1/8" Door station has hands free communication when master answers Call tone and voice volume control Using Aiphone wire (sold separately) increses the 2 year warranty to a 3 year warranty. RETURN POLICY - A 20% restocking fee will apply on all returned items. All returned items must be in brand new condition, never installed, in original box (DO NOT WRITE ON BOX) with all packing, accessories and instruction to receive credit. Customer must provide copy of original invoice showing original purchase to receive credit. PLEASE CONTACT US AT 636-677-9999 PRIOR TO MAKING ANY RETURNS.