FeaturesEasy to program for 24 hr or 7 day load controlAuto daylight saving time adjustment (factory enabled)Astronomic feature provides sunset on and sunrise OFF settings or combine, astronomic features with specific timed ON/OFF programmingLow battery indicatorContinuously displays time of day, mode and load statusCR2 lithium battery provides a minimum of 2 years of time keeping without AC powerReplaces 1-pole or 3-way switches in a variety of applicationsRandom setting feature available to avoid predictable time controlled lookUser program selections are stored in non-volatile memoryControls all voltage/frequencies with no adjustments requiredManual override featureThe timer is compatible with 1-pole and 3-way incandescent, fluorescent, CFL and LED bulbs and requires no neutral wireWith robust performance and an abundance of features, the EI600 is the number one choice for in-wall timers50/60 Hz frequency20 A at 120 to 277 VAC (resistive heater), 15 A at 120 VAC (tungsten-incandescent), 6 A at 208 to 277 VAC (tungsten-incandescent), 16 A at 120 to 277 VAC (ballast magnetic), 4 A at 12 VDC (DC loads), 2 A at 28 VDC (DC loads)1 hp at 120 VAC, 2 hp at 240 VAC motor power1800/4155 wattageAuto daylight saving time adjustment, low battery indicatorCR2 lithium battery provides a minimum of 2 yrs of time keeping without AC powerManual override feature, user program selections are stored in non-volatile memory