The present invention aims to provide a user controlled automatic timer based mosquito repellent device that can automatically control the time according to the burst mode selected by the user. The inventor of the present invention has incorporated an electronic circuit into the device that automatically switches on and off the mosquito repellent device depending upon the burst mode selected, thus controlling the release of toxic fumes into the room. For example the user has selected the burst mode 10-5, the device will remain ON for 10 minutes & OFF for 5 minutes periodically during 8 hours of night sleep thereby limiting the concentration of fumes in the air. Thus the device of present invention facilitates in limiting the concentration of harmful fumes in air and thus maintaining the quality of breathable air indoor.
