Complete mosquito control system. Operates 24/7 to rid yourself of mosquitoes and other biting insects. Built-in Smart Technology automation with 4 fuel saving modes which extends your propane tank's lifter up to 30 days, child safe control lock out, and it signals when the propane is out or the nozzle is clogged. A microsensor learns day and night cycles. A temperature sensor powers down and restarts the trap when the temperature is above or below 50 deg.. Low battery warning. Cordless, operates on a rechargeable battery. Counter Flow Technology . Air flow expels over the attractant increasing the mosquito catch up to 10 times. Intake flow draws mosquitoes into the trap where they dehydrate and die within 24 hours. Perfect for large yards and pool area with up to 1 acre coverage. Propane tank is not included.