LCD display type: positive, transmissive Viewing direction: 6H Duty: 1/8-inch Bias: 1/4-inch Operating voltage: 3.3V Operating temperature: 0 to 50C Storage temperature: -10 to +60C Driver IC: HT 1621 Outline: 188.5 x 121.0mm Viewing area: 159.0 x 89.0mm Can be used in caller ID devices.