Brennenstuhl primera line digital weekly timer dt brennenstuhl 1507503 p the primera line digital weekly timer dt will save energy and cut costs and is manufactured by brennenstuhl the market leaders in electronic technology just simply plug an electrical appliance into the device which plugs into the mains socket and then the timer can be set to automatically switch the appliance on off up to 20 times per day using the day hour and minute settings p p this can help c