0.8 inch (20mm) 16 Segment Single Digit Alphanumeric Display, Red, Common Cathode 4050A Safety Wash II is

4050A Safety Wash II is a plastics-safe

Five-pack of replacement #11 blades available (item 196010)

That one includes the Uno & programming cable

Two-channel

0.8 inch (20mm) 16 Segment Single Digit Alphanumeric Display, Red, Common Cathode 4050A Safety Wash II is16 Segment Single Digit Alphanumeric Display, Red 0. 8 inch character height Pin Configuration: Common Cathode 18 Pins with 0. 1" spacing for easy mounting on breadboards or in sockets Color: black background with white segment that illuminates bright red NOTE: Please see the product images for pinout diagram General Specifications: Character height: 0. 8 inch (20mm) Size: 0. 79" x 0. 33" x 1. 09" overall Color: black background with white segment