Features: 1. Large Amount Of Fog, Fine Fog Particles, High Fog And Bright Light 2. Dual Module 3. Simple Shape, Wide Range Of Uses, And Easy Assembly 4. When Installing The Atomizer Sheet, Do Not Install It Backwards Or Backwards. 5. When Installing The Cotton Swab, Insert It Gently And Do Not Crack The Atomizer Piece. Description: 1. Product Name: Dual Colorful Atomization Driver Board 2. Rated Voltage: DC 5V 3. Rated Current: 300mA 4. Power: 2.5-3W 5. Ambient Lighting: Colorful Gradient 6. Atomization Frequency: 108KHZ±2KHZ Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Set: Set B-2 x Humidifier Control Board Module+4 x Atomizer Sheet+4 x Cotton Swab+4 x Black Bracket Material: PCB colour: As Shown Package Contents: 2 x Humidifier Control Board Module 4 x Atomizer Sheet 4 x Cotton Swab 4 x Bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.