Energy saver modules

Energy saving switch working with Mifare cards, running 5-10 seconds of delay time..

Energy saving switch working with Mifare cards, running 5-10 seconds of delay time..

Energy saving switch working with Mifare cards, running 5-10 seconds of delay time..

Energy saving switch working with Mifare cards, running 5-10 seconds of delay time..

Energy saving switch working with Mifare cards, running 5-10 seconds of delay time..

Energy saving switch working with Mifare cards, running 5-10 seconds of delay time..

Energy saving switch working with Mifare cards, running 5-10 seconds of delay time..

Energy saving switch, running 5-10 seconds of delay time..