D -Tools Announces Partnership with Da -Lite

D-Tools and Da-Lite join together in the Manufacturer Partner Program giving users of System Integrator software more options for specifying designs.

Concord, CA, (December 22, 2004) - D -Tools, Inc., the leader in systems integration software for the residential and commercial markets announced today the addition of Da -Lite Screen Company, headquartered in Warsaw, Indiana, to their Manufacturer Partner Program.

D -Tools' software, System Integrator 4 (SI 4), enables system integrators and custom installation professionals to create detailed designs, floor plans, schematics and elevations. Projects are managed with automated proposals, scheduling, pick lists, purchase orders and additional documents that streamline the integrated installation of audio and video products.

Da -Lite Screen Company, the worldwide leader in front and rear projection screen technology, manufactures a complete product line for the commercial and residential audio -visual markets

One of the most powerful features of System Integrator 4 is the ability for the user to pull information from their database of products. Users are automatically informed of the most recent product updates from Manufacturer Partners each time the software is opened, giving system integrators the advantage of designing systems using the most current product information.

"Joining D -Tools made perfect sense for Da -Lite," said Matt Teevan, Marketing Manager for Da -Lite. "With requests for more than 4,000 of our products from existing D -Tools subscribers, expanding the relationship to include the entire product line will reinforce our long term strategy for system integrators."

"The addition of Da -Lite to our Manufacturer Partner Program is great on many levels," said Adam Stone, president of D -Tools. "Our database continues to grow with quality offerings from companies who have distinguished themselves as leaders in the industry. The addition of Da -Lite as a Manufacturer Partner gives them exposure to thousands of users and saves time for the integrators. Together we'll add their information and offer it for free to all System Integrator users."

About D -Tools, Inc.
Founded in 1998, D -Tools is a worldwide leader in easy -to -use, highly accurate system design software. The company, based in Concord, CA, offers a wide range of products and services created to simplify the complicated design, engineering, documentation and estimating processes that accompany residential and commercial installation projects of any size. D -Tools is the recipient of the Consumer Electronics Association's Mark of Excellence Award, National Systems Contractors Association and Sound and Video Contractor's Innovations in Technology for Business Productivity Award and CE Pro's High Impact Award for Design Software.

For more information, contact D -Tools at (866) 386 -6571, e -mail at info@d -tools.com or visit D -Tools online at www.d -tools.com.

About Da -Lite Screen Company
Founded in 1909, Da -Lite has provided market leadership through continuous product innovation. Da -Lite manufactured the first "Silver Screen", tripod screen, electric screen, and micro perforated fabrics, and now offers RS -232 and Ethernet controlled screen products. Da -Lite is based in Warsaw, Indiana with operations in Wichita, Kansas and an R & D technology center in Blue Ash, Ohio.

For more information, contact Da -Lite Screen Company at (800) 622 -3737, (574) 267 -8101, e -mail info@da -lite.com or visit Da -Lite online at www.da -lite.com.

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