Original wiper blade for driver's side, with air foil/spoiler.
Only the left side wiper has this device however, you can use the right side wiper blade in place of this unit, for a less cotly replacement.
Programmable intermittent wiper relay for front windshield
99 on end of relay This relay has a time delay period that can be changed to suit your needs
HOW TO PROGRAM: KAE: To operate, turn the wipers on to the intermittent
position. Pull back on the stalk briefly, as if you were spraying the
washer fluid (just enough to get the wiper to wipe). When the desired
length of time has elapsed, tap the stalk again to set the interval. To
change the interval simply repeat the process.