You can use this APP to set power ON or OFF to the controlled socket(only one currently).

You also can turn power off by "CD1" button.
The turn off time is set by the [HH],[MM],[SS] fields.
[HH] for hour, [MM] for minute, [SS] for second.
You can disconnect the bluetooth after time setting.
Even more, you can turn OFF your mobile if you want to save battery or to reduce radiation when sleep.
The count down (CD) job is handled by MCU which inside this product.

You are also free to use this APP to send data(ASCII string) to any BT device if you need.

Enjoy ~~~