COVERAGE: 4-8 sqm.
USED IN: Bed-room, travelling and camping 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 recharged by computer and mobile phone charger.
USAGE: Repelling mosquitoes.
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