Motocaddy S1 Digital LED Circuit Board This is the circuit board with LED display which is fitted into the handle of the trolley. 2008-2012 model compatiable with S1 Digital Trolleys from 2008-2012 (4 pin & 5 pin connectors). 2013 model compatible with S1 Digital Trolleys from 2013-2015 (two 5 pin connectors). Buy 2 items in one order receive 5% discount, buy 4 items in one order receive 10% discount (the store UK only), does not include Multi-Buy promotions.