OFF all App is an application work with ES201(Bluetooth 4.0 switch ON/OFF device). iPhone can easy control the ES201 ON/OFF and built in Flash Light ON/OFF.

EnrSave ES201 Standby Power Saving Device (Bluetooth 4.0 device) with a quick and simple installation in order to allow you to save about 90% of electricity bills arisen from electronic device's idling on standby power; ES201 virtually pays back itself within the first few months of usage.
ES201 is able to eliminate the waste of standby power resulted from a idling TV, audio system, DVD player, game console, computer, printer, and other electronic devices at home or in the office by completely shutting down the power mains to the electronic devices when they are not in use. You can control ES201 directly with its operation buttons on the front panel; or you can easily shut down the power mains to your desired electronic device(s) by iPhone. And also turn on/off iPhone Flash Light.
"Continued use of Flash Light will can dramatically decrease battery life."