model: AK-204 Rated voltage: DC 5V Rated current: 300mA power: 2-3W Resonant frequency: 108-110KHz Color: inexperienced Material: PC+metal size: 33 Weight: 5 Package Contents: 1 x Dual spray atomization module Kit Only the above package content, different merchandise are usually not included. Note: Light mirrored image and assorted reveals may cause the colour of the object within the photograph a chunk different from the genuine thing. The length allowed error is +/- 1-3cm.