... LENS,PCB(10LEDS IN SERIES,3 paralleling),E40 BASE, SCREW.COST:(BELOW 100SETS) SS30H1: 43USD,FOBSHANGHAI.DRIVER for 30W :8.5USD,FOBSHANGHAI ... PLEASE Arrange LEDS 10 in series ,3 parallel connection ; THEN CONNECT TO 30W 10*3 DRIVER.!!!This price don’t include LEDS cost ... BELOW 100SETS)SS30H2-H WITH HOLDER: 56USD,FOBSHANGHAI.DRIVER for 30W(10LEDS IN SERIES,3 paralleling) :8.5USD,FOBSHANGHAI.Size: 410*120 ...