... : Preventing insects(mosquitos,flys), say goodbye to mosquito-repellent incense or the pesticide Principle: Anode and cathode of magnet attract each other ... deformation 2. elegant modeling,easy to take, no noise 3.quick auto-closing,convenient to go in and out of the room 4 ... .easy folding makes it easy to install and collect 5.solid durable,washable,cheap price Application: Suitable for ...