Countdown timer switch (5–60 minutes/full on). Use with exhaust fans to reduce moisture, mold and mildew in bathrooms and kitchens. Use with lighting. Tap on to start timer; tap off. Tap twice for untimed on. Touch rocker to adjust countdown time. One minute warning before lights/fan go off. Top LED is full on with no timer action. Timer advanced programming features available. Multi-location control with companion switch. Single-pole, no neutral required 120 V 600 W/VA (5 A) on/off lighting load (incandescent/halogen, MLV) or 3 A general purpose fan(s).