STN Alphanumeric LCD ModuleLCD type: STN BLue NegativeVDD: +5.0V Resolution:20 characters*2 linesV.A: 83 x 18.6mm Operating temperature: 10 to 60C Storage temperature: -20 to 70C Viewing angle: 6 o'clock Polarizer mode: transflectiveDriver: ST7066UBacklight: LED, BlueCustomer's specifications are welcome