Brand new and excessive quality. This board is an element for humidifier,professional replacement for humidifier. and note to majority of humidifier,excellent for electric equipment serviceman. input: 12v/34V the oscillation frequency is: 1 Colour:Photo Color Material:PCB+electronic points Package Contents: 1 x mist maker management board Only the above equipment content, other products should not included. Note: Light reflection and diverse displays may cause the color of the thing within the photo somewhat diversified from the genuine thing. The measurement allowed error is +/- 1-3cm.