Brand Name: HIFESON Movable: Yes High-concerned chemical: none Electrified: No Origin: Mainland China Handheld: Yes Type: Other is_customized: Yes Average Air Consumption: 0.08M³/min Certification: NONE Use: Home DIY Model Number: HF-E8 Size: 242mm frequency: 35000/min amplitude: 0.6m Choice: yes semi_Choice: yes