1. Applying 3V button battery
2. The electronic suit for home use and very convenient to take along when you go out to have a trip, picnic, fishing and climbing etc.
3. Validity scope: six to twelve square meter
4. Put the switch to the left:: turn the power off; Put the switch to the middle: the flying sound of dragonfly or bat will heard; Put the switch to the right: imitated flying sound of male mosquito
5. Take the electronic mosquito repeller along when you go out at evening, the preset light bulb(at the bottom of the unit) will the useful for you