This digital timer allows switching on and off the power automatically at predetermined times. It allows 7 different modes to set power timetable. For example it can be programmed to start power at 9 am and switch it off at 8pm from Monday to Friday except Saturday and Sunday. HOLOFIL has two power outlets so you need two of them to fully automate the device start and stop. Once the power is started the device can be programmed to start and switch off itself also. Once the device starts it will start the content to be played inside.