This app provides detect value and for your reference
Very strong radiation can induce current capable of delivering an electric shock to persons or animals;
In 2011, International Agency for Research on Cancer (IARC) classified mobile phone radiation as Group 2B - possibly carcinogenic.
-- Wikipedia: Electromagnetic radiation and health

it can test your phone,refrigerator,hair drier,electromagnetic oven,computer,WiFi emitter,base statation,high voltage and so on.

Can be used by neerly everyone of us including phone owner, housewife, students, workers, researchers, teachers