after chat with my brother tell how expel mosquito,
then i goto alfa mart buy electric anti mosquito,
cost device 0.9 usd and 21 pieces 0.5 usd,
GOD can not expel mosquito ^.^ joke
device can expel mosquito ^.^ fun
thanks GOD bless and help
^.^ haleluYAH ^.^
GOD JESUS SAVIOR