This product is an electric cold mist sprayer : Large amount of fog ,fine atomization ,Humidification,disinfection,pest control,easy to use indoor and outdoor! General chemical liquid,after high-temperature evaporation treatment,the drug effect is relatively weakened,and even toxic and harmful gases are produced! The cold mist aerosol spray retains to the maximum extent,the functional,components of the chemical test solution can play a better effect Environmental protection,high efficiency,can be used for 180 minutes on Single charge