Breaker 15a1p 120v Dual Functn Detects when current is "leaking" somewhere outside its intended path. Should the DFCI trip, the yellow LED Indicates the last known trip condition by illuminating LED for 5 seconds each time the DFCI is turned on for up to 30 days. Self-test feature. UL Listed. 3.3" height x 1" width x 3" depth, .479 lb. Features GE DFCI has important features for assisting you or your electrician in troubleshooting a trip, should the DFCI trip, the yellow LED will blink to indicate the last known trip condition Indicates the last known trip condition by illuminating LED appearing for 5 seconds each time the DFCI is turned on for upto 30 days Dual function circuit interrupter offers both ground fault and combination arc fault protection in a simple to apply and cost effective solution DFCI has important features for assisting you or your electrician in troubleshooting a trip, should the DFCI trip, the yellow LED will blink to indicate the last known trip condition Unit?s last known trip condition can be cleared by performing a series of functions provided in the instructions USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.