Computer Sound Card Interface allows a computer's speaker output to be used as one of the tools for programming sounds into the ELK Recordable Modules, such as the ELK-120, ELK-124, or ELK-MV480. Includes software to download your computer's audio files (WAVs) to the Recordable Modules. FEATURES: • Powers ELK-120 or ELK-124 Modules during Programming. • Power Switch. • Audio Jacks for Computer and Speakers. • Plug-In Cable for Quick Connections to Recordable Modules. • Includes 6 foot Shielded Cable for Speakers. • Compact Plastic Case. • Programs Recordable Modules in Seconds!. • Lifetime Limited Warranty. • Size: 4.4" x 3" x 1.15" (111.8mm x 76.3mm x 29.2mm). • Supplies 12Volts D.C. @ 1 Amp for ELK-120 / 124 Modules. • Requires MS Windows 98 or higher, Stereo Speaker Output Jack or Sound Card and computer speakers. • Requires (1) 12V, 20VA AC Transformer (not included) to program the ELK-120 or ELK-124. Transformer is not needed for the ELK-MM447 or ELK-MV480.