Siemens PD3435, 0.270″ 4-Character 5×7 Dot Matrix Alphanumeric Display, 2 PieceLotCondition:* New Old Stock, Never Installed. No OEM Packaging. As Pictured.Additional Notes:* Quantity: 2 Pieces* Four 0.27″ Character subassemblies, surface-mounted on ceramic substrate in High-Efficiency Red* Readable From 12 Foot(4m)* Built-in Memory, Decoders, Multiplexers, and Drivers* Wide Viewing Angle: X-axis: 55 Y-axis: 70* 96-Character ASCII Format (both upper and lower case characters)* 8-bit bidirectional data BUS* READ/WRITE Capability* Dual in-line package configuration, 0.600″ wide, 0.100″ pin centers* End-stackable package* Internal or External Clock* Built-in Character Generator ROM* DC Supply Voltage: -0.5 To +6.0 Volt DC* Operating Temperature: -20C To +70CSiemensPD3435