ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR Plustek SmartOffice PL2550, 216 x 356 mm, 600 x 600 DPI, 50 ppm, Flatbed & ADF scanner, Black, LED Plustek SmartOffice PL2550. Maximum scan size: 216 x 356 mm, Optical scanning resolution: 600 x 600 DPI, ADF scan speed (b/w, A4): 50 ppm. Scanner type: Flatbed & ADF scanner, Product colour: Black, Display: LED. Sensor type: CIS, Daily duty cycle (max): 1500 pages, Scan drivers: TWAIN. Auto document feeder (ADF) input capacity: 50 sheets. Maximum ISO A-series paper size: A4, ISO A-series sizes (A0...A9): A4, Auto Document Feeder (ADF) media weight: 50 - 105 g/m²