Specifications: Specifications: Product technical instruction : Electrical character parameter: 1. Rated voltage - DC3.3V(5V, 12V) 2. Rated current - -1.5KV 4. Negative ion concentration - >0.5?106pcs/cm3(easured at a distance of 20cm between the anion generator and the measurer) 5. Operating temp - -10degree~+60degree 6. Humid test - No electrify starts+,Rh93%,after 12hours and cooling,test TO keep unchanged 7. High temp test - No electrify status+80degree 12hours in dryness box,after cooling and test to keepunchanged 8. Low temp impact - No electrify status -20degree12hours,after renew to room temp,test TO keep unchanged 9.Electroresistive intension - Power cord opposite to outside box AC3000V 5mA 3S no breakdown 10. Size - 36(L)*15(W)*5(H)