Velleman pulsepause timer module velleman mk188 the velleman pulsepause timer kit produces a multi function timer suitable for a wide range of applications where timing is an issue from controlling the operation equipment to regulating the automatic flushing of toilets and turning lawn sprinklers on and off the velleman pausepulse timer is also available as a pre assembled module 70 4568 velleman mk188 1s 60h pulsepause timer electronics kit