GF is the best one in the market and this model with crust of fireproofing plastic and a hiding lamp shining 100percent useful UVA light in 360 degree to attract insect ,then killed them by the inner high voltage grid.GF2 also have two big built-in sucking-fun which supplying a strong power to suck the insect who flying around it. Application Living room drawing room parlor etc Features Hiding lamp only shines attractive light Two big built-in sucking fun suck the flying insect Low energy consumption Non-toxic environmental friendly & safe Easy to clean