Product: USB 5V Timer Switch 2.1A Temperature Adjustment Switch for USB Power Headed Mouse Pad,USB Fan,Phone Timed Charging
Brand: LL-partner
How to use the timer switch

  Temperature: 
 When turned on, the default temperature is the highest (H). Normally, 
it does not need to be adjusted. If you feel too hot, use this switch.
 H: Highest (Screen color:Red)

  M: Medium (Screen color:Green)

  L: Lowest (Screen color:blue)

  Working time:
 The default is 2H, and it will automatically turn off at the end of time. If
 you need other gears(4H,8H), please press the switch to select.
 If you need to manually close, please press the switch until it is closed
This timer switch's working voltage:within 5V, and the working current is within 2.1A.
The timing switch can use for headed mouse pad,Phone Timed charging,Usb fan timed shutdown
It can improve the security of your device,it can also improve battery life

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