120-volt and 240-volt alarm clocks emit too much electromagnetic radiation and are harmful to human health.

By Andrew Mackinnon

I strongly recommend that you purchase an electromagnetic field (EMF) meter like the following, in order to measure the amount of electromagnetic radiation (EMR) that your alarm clock emits in volts per metre, especially if it is a 120-volt (USA and Canada) or 240-volt (Ireland, United Kingdom, Australia and New Zealand) alarm clock like most alarm clocks:

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