Material: ABS Size Details:5" x 2.56" x 0.91" RF / Power Force: 0 - 99.999 - pwm/C Magnetic Field Strength: 0 - 99.999MicroT Electric Field Strength: 0 - 999.99 V/M 1.[ Backlight Digital Display Design ] - Radiation detector uses backlight digital display design, which helps easily cope with the dim light at night and the bright light during the day for a more comfortable experience. 2.[ EMF Meter Electromagnetic Field Radiation Detector ] - With the help of this radiation detector, which can detect RF field strength, magnetic field strength, and electric field strength. Besides, it will send an alarm to protect your safety. 3.Material - It is constructed of ABS material. 4.Portable - The length of this radiation meter is 12.7cm, the width is 6.5cm and the height is 2.3cm. 5.[ Suitable Secnes ] - The electromagnetic radiation detector can meet the needs of home life detection, substation detection, mobile signal tower detection, etc.