Check the listing for details. Pinball LED Bulbs 44 FLEXIS GREEN (2 SMD) 5 pieces. Condition: New. Listed at 6.93 USD. This auction is for 5 pieces of FLEXI GREEN (2 SMD) ac/dc non-polarized bulbs. Non-polarized means they will work placed in the socket in either direction. Older less expensive bulbs would have to be placed in the socket in one direction.They are high quality 5050 SMD bulbs. Not the weaker 3528 used by many pinball led companies. I will combine shipping for multiple orders. I sell a full line of LED bulbs. Check my store for other pinball items including game ROMS and hard to find ICS. If you don't see it ask as inventory is constantly changing. What are the different types of LEDs used in pinball machines today? LEDDimensionsChip Surface AreaLumen FluxPower Consumption3528 LED3.5 mm x 2.8 mm9.8 mm²6-8 lumens20-30 mA @ 2.8-3.4 Volts5050 LED5.0 mm x 5.0 mm25 mm²16-22 lumens60 mA @ 2.8-3.4 Volts5630 LED5.6 mm x 3.0 mm16.8 mm²45-50 lumens150 mA @ 2.8-3.4 Volts