COVERAGE: 10 sqm.
USED IN: Family,office,hotel,hospital etc.
FEATURES: (1)Give out alternately two kinds of imitation sounds : wings vibration sounds of male mosquitoes and dragonflies，also it can give out a kind of ultrasonic wave something like the bats.
            (2)Can be easily used onto AC power sockets.
USAGE: Repelling mosquitoes.