Dear Sir Madam, Power Source:Electrical Type:Air Ionizer Installation:Portable Certification:test report Power (W):0.2 Voltage (V):3 Product Size:74*40*18mm Carton Size:620*355*240mm Product Weight:38g Carton Weight:11.00kgs Product Color::all Per Carton:50pcs 20f Container:28250pcs 565ctn Output Ion:3x106pcs cm3