1)      noly two 1.5v batteries to rise the voltage of the electric circuit of the swatter to kill mosquito by touching it.the voltage is relatively low,constituting no hazard to human bodies at all.

2)      The swatter emits no smell and uses no poison of harmful materials

3)      This newly-dereloped product boasts an edge cutting advantage over raditional mosquito repelling and killing means,which used chemicals that posed a threat to human bealth.