Item Contents Unit Display format 8 Characters x 1 Lines -- LCD duty 1/16 -- LCD bias 1/5 -- LCD voltage 4.4 V Controller/Driver ST7066U or Equivalent -- Module size (W x H) 69.0 x 27.0 mm Viewing area (W x H) 45.2 x 13.5 mm Character size (W x H) 4.20 x 7.71 mm Dot size (W x H) 0.80 x 0.92 mm Dot pitch (W x H) 0.85 x 0.97 mm Palm Technology was established in 2000 and is located in Kaohsiung, Taiwan. Palm Technology offers LCD & LCM manufacturing display products, including character alphanumeric LCD modules, monochrome graphic LCDs, static (segment) displays, TFT and custom LCD displays.