1.PTC Heater for mosquito repellent 2.convenient to installation 3.stable and secure 4.temp. self-control 5,long lifetime PTC heater, self-controlling, lower cost, easy to assemble, long lasting lifeMosquito destroyer and spice evaporatorUse:It is used to heat some solid or liquid substance and evaporate them into air, then achieve given purpose such as destroy mosquito, and make air fragrance. ...