1.UV-A lamp 2.CE sucking fan 3.CE/GS ROHS,REACH,ETC It uses biotechnology,air-current and optics technical to rid areas of flying insects .Flying insects are attracted to UV-A light,a built-in sucking fan sucks in the insects which are killed upon contact with the electric grids.it is chemical-free and environmentally friendly to people and pets.Ideal for indoor use,such as bedroom ,kitchen , ...