Super Ultrasonic Mosquito Repeller. Drives away mosquito only. 2 Slide switch for selecting dragonfly and male mosquito mode Mosquito Repeller with two speakers feature:1.Effective cover range: 80-120 square meters2.Ultrasonic technology: 22--65 khz 3.Power frequency output up to 130 db4.Double ways frequency choice for mosquito repelling 5.Copy male mosquito and dragonfly ultrasonic frequency ...
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