Electronic Automatic Digital Control camera dehumidifier dry box Cabinet Storage for Camcorder Dslr Camera Lens

Take the DC Plug of adapter insert the socket on the back of dry cabinet
Plug the AC plug of adapter insert the power outlet and the dry cabinet starts working automatically when power on. 
After the dry cabinet was electrify, it will be in a automatic testing status. After a three-seconds testing the dry cabinet will starting working with the indicate light (work) on. Normally when the humidity inside the cabinet is higher than the preset humidity, the dry cabinet will start working and it will stop until the humidity inside is 2%RH lower than the preset humidity. Then the indicate light (work) off, a cycle repeatedly, to make the humidity inside the cabinet keep in a preset value range of ±3%RH.
Press "SET" button(in 3 seconds), the preset value will blink , press button "Up" or "Down" to adjust the humidity that needed. Press "SET" button again to quit the setting mode.
LED control: light up by pressing light button.