... ,lens,PCB,drivers,etc. we produce many kinds of led street light kits(include cooler,base,lens,PCB,driver,etc.Power from ... : SS28H2PARTS INCLUDE:HEAT SINK BODY, LENS,PCB(7*4*1W,7LEDS IN SERIES, 4 paralleling),E40 BASE,SCREW.COST:(BELOW 100SETS): 25 ... .PLEASE Arrange LEDS 7 in series ,4 parallel connection ; THEN CONNECT TO 28W 7*4 DRIVER.!!!This price don’t include LEDS ...