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 Epson PLQ-20M, 480 cps, 4.23 mm, Code 39, POSTNET, UPC-A, UPC-E, A4 (210 x 297 mm), 64 KB, 53 dB Epson PLQ-20M. Maximum print speed: 480 cps, Line spacing: 4.23 mm, Built-in barcodes: Code 39, POSTNET, UPC-A, UPC-E. Maximum print size: A4 (210 x 297 mm). Buffer size: 64 KB, Sound pressure level (printing): 53 dB, Country of origin: Indonesia. Print direction: Bidirectional, Print head life: 400 million characters, Ribbon life: 5 million characters. Power consumption (typical): 60 W