Electric Bug Zapper Fly Swatter Zap Mosquito Zapper,2 Layer Wire Net With Brush Best for Indoor and Outdoor Pest Control UNIQUE 2 LAYER WIRE NET with sparse side and dense side. Use 2 A A size batteries. Create high voltage, and adsorption affinity between net can kill the insects easily. Low current no harm to human being and beast. Killed insects widely,can kill:mosquitoes,flies,gnats.termites,and other insects. The high voltage can make air ionize,producing some ozone and negative ion, which can help kill bacilli and Sterilize Killed insects without pollution, no bad smell, no spray no drug resistance,no spray no chemical pollution. Integrative high voltage circuit, sealed by resin, which is shock-proof, anti moisture,anti-corrupt,more safe and durable.Reliable quality, durable,integrate kill bug with healthy and entertainment.