The lenspen sensorklear ii plus kit includes 1x sensor klear ii pen and 1x lenspen hurricane blower use the blower for easy to remove dry dust and the sensorklear ii pen for those dreaded particles of sticky dust sensorklear ii combines the unique lenspen cleaning tip with an articulating head perfect for use with your sensorklear loupe sold separately clean ccd and cmos sensors like the pros with the lenspen sensorklear ii plus kit