An added twist, the DT250IN is completely sealed when the fan is turned off, ensuring that any insects still alive in the retaining cage won't fly away. Smokeless, pesticide and odor free. Effectively lures and eliminates mosquitoes using TiO2 photo catalysis. Eliminates other flying insects including flies, wasps, moths, etc. 17W (watt) electric consumption is economical; just under $2/month. Easy-to-clean and maintain. DC (direct current) fan with ultra-long life and whisper quiet operation. Completely nontoxic; does not require any additional lures or attractants.