CTDTC Digital Time Clock By Cast LightingThe CAST Digital Timer plugs into the transformer timer receptacle. It works with all CAST transformers. 7 Day Programming Options for different schedules on each day of the week or on a weekly basis Random feature for lived in look, featuring 20 on off settings Digital accuracy to one minute Battery backup for power outages Manual daylight savings adjustment Manual override ON OFF 125 V timer, 1875 Watt capacity, plugs directly into the transformer