The DLNA Certification and Logo Program is designed to ensure that DLNA Certified products have implemented the features necessary to comply with the DLNA Guidelines, and that they will in fact interoperate with other similar devices when connected to those devices in a consumer's home environment. The DLNA Certification and Logo Program enables companies to certify their products through a well-defined and rigorous process. Y Acer P1385WB, 3200 ANSI lumens, DLP, WXGA (1280x800), 16:10, 4:3, 16:9, 39.4 - 381.9" (1 - 9.7 m) Acer P1385WB. Projector brightness: 3200 ANSI lumens, Projection technology: DLP, Projector native resolution: WXGA (1280x800). Light source type: Lamp, Service life of light source: 4000 h, Service life of light source (economic mode): 6000 h. Focus: Manual, Focal length range: 21 - 23.1 mm, Digital zoom: 2x. Analog signal format system: NTSC, PAL, SECAM. Serial interface type: RS-232