Self-test slim GFCI/Guide Light. Dual LED guide lights that turn ON and OFF automatically based on light levels and uses only 1W of electricity. Self-test GFCI periodically conducts an automatic internal test to confirm that it can respond to a ground fault. Reset lockout mechanism prevents reset of the GFCI if it is not wired or operating correctly. 15 amp, 125 volt receptacle/outlet, 20 amp feed-through, tamper-resistant, self-test slim guide light GFCI, back and side wired, self-grounding clip included. Wall plate/faceplate sold separately. UL Fed Spec WC-596 rated.