2. In fact, because the electronic watch is not susceptible to electromagnetic interference, there is no metal shell of the mechanical watch, so the shielding of the shell to radiation will be much smaller. However, compared with TV picture tubes, computer mainframes and mobile phones, the radiation of watt-hour meters is very small. If you are afraid of radiation, you can wear professional maternity clothes for pregnant women. That fabric has the function of radiation protection. So you can rest assured.