Up to 8 on/off times per day * Battery backup assures you stay on schedule even after a power outage * Consistent light nutrient and airflow program for your garden * Encourages productive growth of your plant Three prong grounded * LCD digital display battery backup dual outlet feature * Automating your lighting adds convenience and encourages productive growth with consistenthrs of light * Comes in 15-ampere, 120-volt and 1725-wattage * Container"s measures 8-1/9-inch length by 4-inch width by 3-inch height * It has 1-minut on and offs * Timers are also essential for all hydroponic system applications