Do not use together with inflammable substances. Mosquito Click can ignite flammable substances and should not be used on recently applied insect repellent. Avoid using on sensitive areas. Persons wearing cardiac devices or with a heart condition should not use this device. Mosquito Click can be a choking hazard to children under 4. Please keep out of reach. This device should be regularly disinfected. Mosquito Click should not be used on open wounds.