Equipped with a high intensity 11 watt UV light tube, which emits 365nm violet UV light waves to effectively attract mosquitoes, flies, moths and other insects, then kill them by the high-voltage grid. Please use it in dark condition, the flies won't be attracted if in bright.With a 360 large range, the electric bug zapper kills pests from far and wide. Ideal for bedroom, living room, toilet, kitchen, office, hotel, etc. Turn it on three hours before bedtime will have the best effect. It attracts and eliminates insects by physical method. No chemicals involved in the mosquito zapper, toxic-free and pollution free. Internal grid is reliably fenced with ABS housing to prevent kids and pets' accidental contact. The handle allows you to hang it on the wall or place it on the table. Dead insects is collected at the tray of bottom of unit. Simply remove the tray and clean it up with the soft brush. Fast and effective