Description Are you looking for a professional, yet reasonable radiation detector? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our emf meter must meet your needs, this radiation detector is one of the best choices for you. Features -Color:Red, Black -Material:ABS -Size:15.00X5.00X3.00cm/5.89X1.97X1.18in Lighting control: dark green: 0~1.5 milligauss; green light 1.5~2.5 milligauss; yellow 2.5~10 milligauss; orange 10~20 milligauss; red 20+ milligauss Battery: 9V 6F22 (not included) - Keep you from radiation, good for your health. Application of 50/60Hz frequency monitoring. - Special features: 5-led indicators, representing different radiation values, easy to use. - Suitable for electromagnetic radiation detection of toys, furniture, antiques, building materials, decorations, food, etc. - Note: this emf meter can only measure electric field, cannot detect nuclear radiation. - With fine workmanship, simple in design and very practical in use, easily win your favors. Keep you from radiation, good for your health. Application of 50/60Hz frequency monitoring. Special features: 5-led indicators, representing different radiation values, easy to use. Suitable for electromagnetic radiation detection of toys, furniture, antiques, building materials, decorations, food, etc. Note: this emf meter can only measure electric field, cannot detect nuclear radiation. With fine workmanship, simple in design and very practical in use, easily win your favors.