The Self-test SmartlockPro Slim GFCI/Guide light is a great way to add an extra element of safety when it's dark without losing outlet space in kitchens, bathrooms, laundry rooms and hospitality guest suites. Instead of needing to plug in a nightlight and take up an outlet space, the device offers dual-LED guide lights that turn On and Off automatically based on light levels and uses only 1W of electricity. Designed to meet the latest UL standard for auto-monitoring (self-test) our complete line of self-test GFCIs periodically conduct an automatic internal test to confirm that it can respond to a ground fault. The Self-test SmartlockPro Slim GFCI/Guide light is the smart choice in ground fault circuit interrupter protection.